From Christina Applegate and Brad Pitt to Justin Timberlake and Fergie, see Hollywood's odd couples of the past
Aaron Carter & Lindsay Lohan
In 2005, Carter admitted on The Big Idea With Donny Deutsch: "I started dating Hilary [Duff] on my 13th birthday... I was dating her for like a year-and-a-half and then I just got a little bored so I went and I started getting to know Lindsay, dating Lindsay."
Credit: Amy Graves/WireImage.com; Donato Sardella/WireImage.com