Watch as the birthday girl grows up from a pop princess to a superstar mother of two

Music video by Britney Spears performing 3. (C) 2009 RCA/JIVE Label Group, a unit of Sony Music Entertainment

Music video by Britney Spears performing Born To Make You Happy. (C) 1998 Zomba Recording LLC

Music video by Britney Spears performing Break The Ice. (C) 2008 Zomba Recording, LLC

Britney Spears and her agent boyfriend are reportedly on the rocks, after dad Jamie extended her conservatorship.

A woman wants to be an Alba look-alike, Britney Spears' sister breaks up and other news from HLN's Showbiz Tonight.

Music video by Britney Spears performing Lucky. (C) 2001 Britney Television LLC

Music video by Britney Spears performing I'm A Slave 4 U. (C) 2001 Zomba Recording LLC

Congratulations are in order for Britney Spears. The star has just turned 28. The singer celebrated her birthday in Hollywood...

Counting down to the Friday release of her new video "3," Britney Spears reveals three new behind-the-scenes pics