1 of 19
She's out! Rihanna signs off during the opening night performance of her Monster tour (Eminem co-headlines) Thursday night at the Rose Bowl in Pasadena, California.
2 of 19
Michael Fassbender keeps his cool with a stylish pair of shades and a black leather jacket during a Thursday outing in New York City.
3 of 19
ORANGE YOU GLAD?
Aussie Iggy Azalea rocks the stage during a Friday morning performance on NBC's Today show in New York's Rockefeller Center.
4 of 19
WHAT THE FUZZ
Can we see your badges, guys? Suited-up stars Damon Wayans Jr. and Jake Johnson are dressed for off-duty at the premiere of their new movie Let's Be Cops at the Cinerama Dome in L.A. on Thursday night.
5 of 19
Someone's ready to protect and serve! Also at the Let's Be Cops L.A. premiere: stunner Nina Dobrev, who strikes a sassy pose before debuting the film (she costars) on Thursday.
6 of 19
Newly single Nicole Murphy shares the spotlight with singer Brandy at The Pump Group's V.I.P. cocktail reception Thursday night in Hollywood.
7 of 19
Nikki Reed, sans new beau Ian Somerhalder, enjoys the dog days of summer on a jog with her pup Thursday in Los Angeles.
8 of 19
You've got a little lipstick on your face, Sofia! A disheveled Vergara films scenes with costar Ed O'Neill for the upcoming season of Modern Family in Los Angeles on Thursday.
9 of 19
Who says you can't wear a flower crown to yoga? Not Kaley Cuoco, who leaves her yoga studio in style on Thursday in Studio City, California.
10 of 19
Nice form! Chelsea Handler practices her moves on the way to ballet class on Thursday in West Hollywood.
11 of 19
PARTY OF TWO
Julia Stiles and costar James Wirt buddy up for an after-party following the opening of their Off-Broadway play Phoenix on Thursday in New York City.
12 of 19
MAN OF THE HOUR
With girlfriend Nikki Ferrell by his side, The Bachelor's Juan Pablo Galavis shows off his birthday cake – decorated with pictures of the birthday boy himself – at Miami's Flamingo Theater bar on Thursday.
13 of 19
Rapper T.I. busts a rhyme during a performance Thursday with Young Thug and The Roots on The Tonight Show Starring Jimmy Fallon in New York City.
14 of 19
Pretty Little Liars star Lucy Hale has her hands full while running errands Thursday in Los Angeles.
15 of 19
HIP TO IT
Bring on the glam! Marion Cotillard turns up the heat at the Two Days, One Night premiere at the Somerset House in London on Thursday.
16 of 19
Nope, that's not a statue! A sturdy and statuesque Kellan Lutz stands proud and tall at the Paris premiere of The Expendables 3 on Thursday.
17 of 19
What, no Doritos? Single Sophia Bush stocks up on herbs and flowers during a Thursday grocery run in Santa Monica, California.
18 of 19
IT'S ALL RELATIVE
Nicole Kidman and Jason Bateman get into character Thursday on the upstate New York set of their new drama, The Family Fang, which the actor is also directing.
19 of 19
When you've got it, flaunt it! Supermodel Alessandra Ambrésio rocks Daisy Dukes and a crop top while shopping in Brentwood, California, on Thursday.
Celeb Quotes of the Day: Lupita Nyong’o, Jennifer Aniston & More
The Harvey Weinstein Scandal: All of the Hollywood Figures Who Have Spoken Out Against Movie Mogul
Kim and Kanye Are in 'Full Nesting Mode' for Baby No. 3, Plus the Inside Scoop on Meghan Markle Meeting the Queen
Jennifer Garner Gets All Dressed Up, Plus The Rock & Much More
How Jordan Fisher Is Powering Through Multiple Injuries on DWTS: 'Adrenaline Is a Big Factor'