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CASSADEE POPE & RIAN DAWSON
The singer's drummer beau landed a big hit with the square-shape, halo-set diamond on a split shank he gave to her with an assist from their Instagram-famous dog. "I took Cuppy – Cuppy the Puppy on Instagram – and I put him in the bedroom and Ryan was like, ‘Okay, you can let him out,’ " she told People at the Grammys, "and I opened the door and he was on one knee. It was perfect."
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KATE MARA & JAMIE BELL
They fell in love on the set of Fantastic Four, so it makes sense that her brand-new giant round stone on a sparkling band looks like it might be a fantastic four (carats) as well.
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MARGOT ROBBIE & TOM ACKERLEY
Margot, who wed her beau in a super-intimate Australian wedding shortly before Christmas, wins the prize for most creative and cheeky ring debut.
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KIRSTEN DUNST & JESSE PLEMONS
They met on the set of Fargo, and have been equally mysterious about whether that suspicious ring she's sporting on her left hand is making their relationship official. (We think it's a good bet!)
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ASHLEY GREENE & PAUL KHOURY
The actress shared a video of the proposal — and summed up the feelings of many newly engaged ladies when she captioned a close-up of the ring, "I'm SO lucky and SO excited that I get to spend the rest of my life with my best friend ... but the ring doesn't hurt either. It's the most beautiful thing I've ever seen!"
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KACEY MUSGRAVES & RUSTON KELLY
The country star followed her arrow, and it pointed right to musician Kelly, whose Christmas proposal in her childhood bedroom (with a gorgeous, vintage-inspired round setting) earned him a "HELL YESSSS."
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ERIN ANDREWS & JARRETT STOLL
You'd expect a hockey player to know a little something about ice, which explains that dazzling diamond (which appears to be a cushion-cut solitaire) now seen on the ring finger of his TV-host love.
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BRITTANY DANIEL & ADAM TOUNI
Life is certainly sweet for the Sweet Valley High actress, whose boyfriend proposed with a round stone on an embellished yellow-gold band.
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CARRIE ANN INABA & ROBB DERRINGER
To go with the "perfect" proposal, the Dancing With the Stars judge also got a perfect ring from her fiancé — a 3.68-carat Jean Dousset design with brilliant-cut diamonds on the rose gold band and hidden rubies and garnets inside.
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MORENA BACCARIN & BEN MCKENZIE
The Gotham costars, who welcomed baby Frances Laiz in March, announced their intention to wed with a round-cut stone on a pavé band that outsparkles the N.Y.C. skyline.
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DEENA CORTESE & CHRISTOPHER BUCKNER
The Jersey Shore star has one more reason to fist pump: Her boyfriend slipped this ring on her finger while vacationing in Mexico. "Christopher did such an amazing job picking me out the perfect ring .. It fits my little hand perfectly .. This still all doesn’t feel real!!!" she wrote on Instagram.
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LAURA PREPON & BEN FOSTER
Now that's a way to make your relationship red carpet debut! The actress brought the actor -- whom she's known since 18 but only started dating this summer -- to her Girl on the Train premiere, showing off her new beau and the sparkly solitaire on a pavé band he just gave her.
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SAMIRA WILEY & LAUREN MORELLI
Love in Litchfield! Orange Is the New Black actress Wiley is engaged to show writer Morelli, and the couple celebrated with a beaming selfie showing off Wiley's sparkling square-shaped stone.
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IDINA MENZEL & AARON LOHR
Just a day after she announced her engagement to actor Aaron Lohr, the actress and singer showed off her dazzling ring at the iHeart Radio Music Festival.
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NICOLE WILLIAMS AND LARRY ENGLISH
The season finale of WAGS was especially drama-filled when the NFL star popped the question to his longtime love with a $250,000 Ritani ring. She said yes and called her new diamond the "most beautiful ring my eyes have ever seen."
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PIPPA MIDDLETON & JAMES MATTHEWS
Princess Kate may get to wear the royal jewels, but there’s nothing common about her sister Pippa's huge square-cut diamond from her financier fiancé.
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JOJO FLETCHER & JORDAN RODGERS
JoJo got something a little better than a rose on the Bachelorette finale when Jordan proposed with a 3-carat Neil Lane ring. And she definitely approved of the single diamond design. "It’s classic," she told PEOPLE. "I also think it makes my finger look skinnier, which I really appreciate."
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LACE MORRIS & GRANT KEMP
Ring designer Neil Lane told PEOPLE in September Grant was very analytical in the design process of the square-cut Art Deco-inspired diamond saying he took it "very seriously." (The couple split in November.)
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MIRANDA KERR & EVAN SPIEGEL
It seems only fitting for a supermodel and the founder of Snapchat to announce their betrothal via custom Bitmojis (oh, and a shot of that enormous diamond solitaire).
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KATE UPTON & JUSTIN VERLANDER
A big ring made an appropriately big debut – at the Met Gala, where the model said she had been keeping her engagement to the Detroit Tigers star under wraps until the right moment. Jeweler Anita Ko told PeopleStyle, “Justin and I collaborated on creating the most perfect one-of-a-kind ring that is rare and of exceptional quality, just like their love.”
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CIARA & RUSSELL WILSON
We get why they call him “DangeRuss Wilson” now – because he's in the habit of purchasing jewelry for his fiancée that could blind you if you look at it the wrong way.
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MARIA MENOUNOS & KEVEN UNDERGARO
Perhaps the most surprising thing about Maria's megawatt sparkler by Jean Dousset is that her love of 19 years had absolutely no idea what she wanted. “That was a first for me!” Dousset tells PeopleStyle of the design process for the custom ring, which the groom-to-be presented to the TV host on the Howard Stern Show.
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JILLIAN MICHAELS & HEIDI RHOADES
The fitness trainer gave her longtime love a large diamond ring back in 2012, but she finalized the gesture with matching Martin Katz diamond bands in a touching episode of Simply Jillian in March.
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The former Glee star, who is reportedly engaged to Mumford & Sons musician Winston Marshall, rocked a, well, rock (a significantly-sized, gold-set rock) at the Erdem show.
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CHELSEA PERETTI & JORDAN PEELE
Two of our favorite comedians decided to tie the knot back in November – but her lovely square-cut ring is no laughing matter.
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JERRY HALL & RUPERT MURDOCH
The 59-year-old supermodel sports a gigantic ring from her 89-year-old billionaire fiancé.
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MARK BALLAS & BC JEAN
The oversized oval-shaped diamond flanked by two baguettes that the Dancing With the Stars pro gave his singer love is so shiny, it practically outshines the Mirrorball Trophy.
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MARIAH CAREY & JAMES PACKER
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JODIE SWEETIN & JUSTIN HODAK
“I'm so happy and he did a GREAT job with the ring!” the Fuller House star wrote on Instagram of her double halo-set, split-shank ring.
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LOUISE ROE & MACKENZIE HUNKIN
The style star got a classic-with-a-twist sparkler from her TV director love – an oval diamond with two halos of smaller diamonds, all set in yellow gold.
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ROSIE HUNTINGTON-WHITELEY & JASON STATHAM
“Jason wanted something perfect and flawless and he kept coming back to this one,” Neil Lane tells People of the Edwardian-set stone from the jeweler's archival collection that the action star gave his supermodel bride-to-be.
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ANNA CAMP & SKYLAR AUSTIN
When the two stars of your favorite acapella movie decided to get hitched, you just knew the ring was going to be (wait for it) Pitch Perfect.
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TORY BURCH & PIERRE-YVES ROSSEL
The fashion designer's ring from her french fashion exec beau can probably be seen from outer space.
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JULIA STILES & PRESTON J. COOK
We bet the actress found 10 Things to Love About her sweet round-cut solitaire bezel-set in yellow gold, given to her by her camera assistant love in Colombia.
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TARA LIPINSKI & TODD KAPOSTASY
“My life changed forever last night,” Lipinski wrote of receiving her oval-shape stunner from her Fox Sports producer beau.
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GRACE GEALEY & TRAI BYERS
Can you imagine the Empire engagement party that happened when Trai popped the question to his costar Grace with this square-cut, halo-set diamond ring?!
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LIV TYLER & DAVE GARDNER
She's been sporting her romantic, emerald-cut sparkler with a delicate band on that finger for months, but just confirmed that she and love Dave Gardner are set to wed.
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EMMY ROSSUM & SAM ESMAIL
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ALISON BRIE & DAVE FRANCO
It makes sense that two gorgeous, quirky actors would pick a gorgeous, one-of-a-kind ring to pledge their betrothal: Alison debuted her rose-gold, rose-cut diamond Irene Neuwirth ring on on the red carpet in August.
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LADY GAGA & TAYLOR KINNEY
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NIKKI REED & IAN SOMERHALDER
“It’s so gorgeous, and I’m very lucky for many reasons, but I look at it every day and just think, Wow. I don’t even know what to say,” Nikki told PEOPLE about her floral-style engagement ring from Ian Somerhalder, consisting of one center stone flanked by 10 smaller ones.
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KIM SEARS & ANDY MURRAY
It was “love all” when the tennis pro served up an ace (okay, we're done with the tennis puns) of an engagement ring for his longtime girlfriend: a round stone surrounded by a halo of diamonds that continued onto the band.
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JAIMIE ALEXANDER & PETER FACINELLI
Everything about the actress's engagement to her actor beau was traditional, from her large halo-set ring to the on-one-knee proposal, though it took a little effort: “I had just bought these new jeans and they were a little tight,” Peter joked to PEOPLE at the time. “So I said, 'My jeans are tight but I’ll try to get down on one knee.'” (The couple ended their engagement in February 2016.)
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IGGY AZALEA & NICK YOUNG
Yes, it's a “Fancy” yellow diamond – and one that took a lot of effort before it reached the rapper's finger. Her NBA star boyfriend designed the 10.43-carat ring, consisting of an 8.15-carat intense yellow diamond and a white diamond halo set into white gold, with jeweler Jason Arasheben of Jason of Beverly Hills. (Their engagement ended in June 2016.)
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MAGGIE Q & DYLAN MCDERMOTT
She met him on the set of their CBS crime drama Stalker, but it wasn't much of a mystery as to how he felt about her when she showed off this massive sqauare-cut stunner on a baguette-set band.
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ALEXIS BLEDEL & VINCENT KARTHEISER
For the couple that met on the set of Mad Men, a gorgeous and unique sparkler worthy of that show's killer costuming was the only thing that would do. And the octagonal stone set on a vintage-inspired band was certainly that.