Juntos Y revueltos

Spice Girl Geri Halliwell has split from fiance Fabrizio Politi, who she just got engaged to in January 2009.

Bauer-Griffin

Mischa Barton blogged about her breakup with Kooks singer Luke Pritchard, claiming that the long distance relationship didn't work and that they're better off as friends.

Getty Images

Young couple Jesse McCartney and Katie Cassidy dated for three years before splitting, but Cassidy is reminded of her ex every time she hears the song 'Bleeding Love,' which McCartney penned about her.

Jason LaVeris, FilmMagic/Getty Images

After an on-and-off relationship, Mandy Moore stole Ryan Adams' heart once and for all in February 2009, when the couple announced their engagement.

Bauer-Griffin

Courtney Love and Mickey Rourke were rumored to be dating in January 2009, but once the story started spreading, Rourke denied the alleged romance.

Jon Furniss, FilmMagic

Grammy and Oscar winning 'Once' couple Glen Hansard and Marketa Irglova called it quits in January 2009.

Frazer Harrison, Getty Images

The 'American Idol' power couple -- winning singer David Cook and contestant Kimberly Caldwell -- confirmed an amicable split that took place over the holidays.

Jemal Countess, WireImage / Valerie Macon, Getty Images

The inseparable Lindsay Lohan and Samantha Ronson are rumored to be on the rocks, though Lohan continues to deny that their relationship is over.

X17online.com

Singer-songwriter Ben Lee married actress Ione Skye in a Hindu wedding ceremony that took place in southern India in December.

Charley Gallay, WireImage

Carrie Underwood is rumored to be dating Ottawa Senators hockey star Mike Fisher.

Getty Images