Christina Aguilera's Changing Looks!

From tween Mouseketeer to multi-octave pop sensation, see the blonde singer's amazing transformation

PEOPLE TV | Today's Line-Up

Chatter

Bates Motel's Freddie Highmore Sounds Off on Johnny Depp
5 Shots

Channing Tatum & Jenna Dewan: How They Became Hollywood Royalty
One Question

Celebs Reveal: Who Should Play Me in My Biopic
Happy Birthday

Happy Birthday to Mark Ballas

People Top 5

1

Source: Robert Pattinson & Kristen Stewart Break Up – for Now | Kristen Stewart, Robert Pattinson

Source: Robert Pattinson & Kristen Stewart Break Up – for Now

2

Kristen in 'Terrible Mood,' Surrounded by Friends After Breakup with Rob | Kristen Stewart, Robert Pattinson

Kristen in 'Terrible Mood,' Surrounded by Friends After Breakup with Rob

3

Why Denise Richards Is Caring for Charlie's Kids with Brooke Mueller

Why Denise Richards Is Caring for Charlie's Kids with Brooke Mueller

4

Wow! Christina Aguilera Shows Off Sexy – Slim – Figure at Billboard Awards | Christina Aguilera

Wow! Christina Aguilera Shows Off Sexy – Slim – Figure at Billboard Awards

5

Ashley Hamilton: I Struggled with Anorexia and Bulimia

Ashley Hamilton: I Struggled with Anorexia and Bulimia