Star Engagements: Drew Barrymore, Will Kopelman, Justin Timberlake, Jessica Biel

01 of 17

DREW & WILL

Barrymore got herself a fiancé for Christmas when her art consultant beau, Kopelman, proposed after a year of dating during the couple's holiday getaway in Sun Valley, Idaho.

02 of 17

ANNE & ADAM

"I was really actually looking forward to a little alone time, and then I fell in love like a fool!" Hathaway said of fiancé Schulman, who popped the question with an emerald-cut sparkler over Thanksgiving weekend.

03 of 17

KRISTIN & JAY

The second time's the charm! Following an earlier split, Cavallari and her football-playing beau Cutler got re-engaged after Thanksgiving. "This time it's official," she Tweeted.

04 of 17

ROSIE & MICHELLE

When O'Donnell let slip while filming The Rosie Show in December that she was engaged, an audience member outed her news. But the real surprise was that the talk show host had asked Rounds to marry her long before. "You don't want to become one of those celebrities that talks about their relationship ad nauseum," she later said.

05 of 17

ELLIE & MICHAEL

Kemper's writer boyfriend Koman had to get her family's approval before he could make it official with The Office star in December. "Michael's a delight, as you know, so of course [my parents] like him a lot," she told Conan O'Brien.

06 of 17

BRITNEY & JASON

Spears's longtime love put a ring on it on his 40th birthday in mid-December with a tiara-inspired Neil Lane ring. "I can't stop looking at it!!" his bride-to-be later gushed.

07 of 17

DAVE & KELLI

Lady Antebellum crooner Haywood got a jump start on his Christmas giving when he proposed to girlfriend Cashiola, an executive at Warner Music Nashville, on Dec. 19 by creating a light display that spelled out "Will you marry me?" on the front of her house. "I feel so lucky that our long friendship has grown into this relationship," he said.

08 of 17

MATTHEW & CAMILA

Merry Christmas, indeed! McConaughey shared his engagement to Alves with the world when he posted a photo of the pair smooching in front of their Christmas tree on his WhoSay account captioned,

09 of 17

JOHN & CHRISSY

A Christmastime vacation turned into an even happier occasion for singer Legend, who asked his model girlfriend of four years, Teigen, to be his wife while holidaying in the Maldives.

10 of 17

STEVEN & ERIN

American Idol judge and Aerosmith lead singer Tyler proved he was ready to walk this way down the aisle again when girlfriend Brady was snapped sporting an engagement ring during the couple's Christmas vacation in Maui.

11 of 17

MARIO & COURTNEY

Caught on tape! The Extra host filmed his proposal to girlfriend Mazza for a special that will air on the show. "I'm never going to meet another woman as special and amazing," said Lopez, who popped the question during a Christmas holiday in Mexico.

12 of 17

WYNONNA & CACTUS

Dating since 2009, Judd's musician boyfriend Moser asked for her hand in marriage on Christmas Eve, capping off a year in which the pair toured together as Wynonna and the Big Noise.

13 of 17

DANNY & LEYICET

The American Idol alum took girlfriend Peralta by surprise when he brought her to the spot where they had their first date, serenaded her and then popped the question. "[They] are very grateful to have found each other," a rep for Gokey said. "They are ecstatic and excited about the upcoming nuptials."

14 of 17

MICHAEL & YVETTE

Looks like the proposal was a slam dunk! Model Prieto said yes to Jordan after three years of dating when the basketball great asked her to marry him over Christmas weekend.

15 of 17

LEBRON & SAVANNAH

It was a family affair for James when he proposed to lady love Brinson while ringing in the New Year in South Beach, Fla., bending down on one knee in front of the couple's children – 7-year-old LeBron Jr. and 4-year-old Bryce – and close friends.

16 of 17

ARETHA & WILLIE

Following a holiday proposal, "We're looking at June or July for our date and no, I'm not pregnant, LOL!" Franklin joked about her upcoming nuptials to her "forever friend," William "Wilie" Wilkerson.

17 of 17

JUSTIN & JESSICA

He's called her the "the single-handedly most significant person in my life," and now Biel will be Timberlake's wife after the singer popped the question during the couple's annual vacation to Montana.