Valentine's Newest Sweethearts

01 of 12

GEORGE CLOONEY & SARAH LARSON

Dedicated bachelor Clooney started dating Larson back in June. But their relationship took a serious turn in September after the couple survived a motorcycle crash – and Larson impressed Clooney with her mettle. At the New York premiere of Michael Clayton, Larson stood by his side – on crutches! – as a proud Clooney told PEOPLE, "She seems like she can take it, huh?"

02 of 12

DREW BARRYMORE & JUSTIN LONG

Playing the field after breaking up with Strokes drummer Fabrizio Moretti, Barrymore has since settled down with her He's Just Not That into You costar Long. The twosome were first spotted together in September, making out at a Vegas nightclub. By Thanksgiving, Barrymore was spending the holiday with Long's family in Connecticut – and now they're kissing on red carpets!

03 of 12

JAVIER BARDEM & PENéLOPE CRUZ

In July, Cruz told reporters that reports linking her to her Vicky Cristina Barcelona costar Bardem were "not true" and added, "He's a friend and the best actor in the world." But by October, they were getting cozy during a romantic trip in the Maldives – and the picture was worth a thousand words.

04 of 12

ASHLEE SIMPSON & PETE WENTZ

Briefly linked in 2006, Simpson and Wentz, didn't go public until April when they kissed and cuddled all night at the L.A. hot spot Parc. This April, they proved their romance wasn't just a fling, announcing that they were "happily engaged."

05 of 12

REESE WITHERSPOON & JAKE GYLLENHAAL

After a brief split in June, Witherspoon and Gyllenhaal – who first hooked up in March – picked up the pieces, jetting away for a romantic retreat in November. They went on yet another getaway – with her kids – to Cabo San Lucas, Mexico in March. Ellen DeGeneres even got Witherspoon to open up about her beau: "He's great," the actress told DeGeneres with a giggle.

06 of 12

JUSTIN TIMBERLAKE & JESSICA BIEL

After hanging out at Sundance, Timberlake invited Biel to a barbecue at his home in April, where, a source told PEOPLE, things got "hot and heavy." Soon after, Biel was joining Timberlake on tour – even spending time with his beloved mom, Lynn Harless. "I'm dating someone," the "SexyBack" singer told Oprah Winfrey (without naming names). "But all I can tell you is she smells lovely."

07 of 12

HILARY DUFF & MIKE COMRIE

Duff and NHL player Comrie started off in the fast lane. Soon after they began dating, he surprised her with a Mercedes-Benz G-class SUV (retail price: more than $100,000) for an early 20th birthday present. "When I called him I was like, 'You're crazy! It's perfect!'," she told PEOPLE. The singer has also been brushing up on his sport, picking up a copy of the book Hockey for Dummies.

08 of 12

SCARLETT JOHANSSON & RYAN REYNOLDS

Shortly after declaring that she wasn't looking for love, Johannson found it with the buff Canadian actor. Spotted together last April, they've quietly been courting ever since – kissing at a concert, holding hands in public and hosting a party at his place on New Year's Eve.

09 of 12

HAYDEN PANETTIERE & MILO VENTIMIGLIA

Panettiere and her Heroes costar went public in January, holding hands at a Los Angeles mall. Although the sweethearts – who have a 12-year age difference – aren't talking, a family friend of Panettiere's did and told PEOPLE, "They're not afraid to show their affection around her family. They kiss and she's always sitting on his lap."

10 of 12

TIFFANY POLLARD & GEORGE WEISGERBER

Tailor Made has love for New York! In the finale of VH1's dating show, I Love New York 2, Pollard (a.k.a. New York) chose Weisgerber (a.k.a. Tailor Made), who proposed to her on the reunion show. They're now happily engaged with one small caveat: He's still married! "There's some kinks and knots in the divorce," Pollard has said. "I just want to hear when it's over."

11 of 12

JESSICA SIMPSON & TONY ROMO

After sharing a cozy Thanksgiving dinner, Simpson and Dallas Cowboys quarterback Romo were off and running. However, it hasn't been easy – Simpson was blamed for Romo's less-than-stellar performance on the field, and he caught flack for vacationing with her before a big game. But post-season has been more fun for the duo, who recently rocked onstage during a Metal Skool show in L.A.

12 of 12

MATTHEW McCONAUGHEY & CAMILA ALVES

Shortly after being named PEOPLE's Hottest Bachelor, McConaughey met the Brazilian model – and promptly put his single days behind him. He introduced her to his family in April, and now, they're expecting their first baby later this year. "We are stoked and wowed by this miracle of creation and this gift from God," he wrote on his Web site. Aww!