Fergie will host the glam Life Ball in Vienna tonight.
The pregnant singer is headlining the costume gala at the city's lavish City Hall to fight AIDS.
Enstars has compiled a list of the top celebrity baby bumps to watch this year. The stars are famous for their backgrounds in music (Fergie, Jessica Simpson), television (Kim Kardashian), film (Penelope Cruz), and for being a part of a royal family (Kate Middleton.)
After several pregnancy rumors and baby bump speculation, Fergie and husband Josh Duhamel have announced they are expecting their first child together, Associated Press reported.
The Fergie pregnancy rumors reached a high this past weekend when paparazzi snapped the Black Eyed Peas singer hiding what could look to be a...baby bump.
Fergie, 37, and her husband Josh Duhmel, 39, want children, but right now, the married couple aren't expecting. The singer, known for her taunt physique, admitted that she put out a few pounds, and that's why everyone has been saying she has a bun in the oven.
After the recent firing of X Factor judges Paula Abdul and Nicole Scherzinger, fans are wondering who will fill those two empty seats -- and Black Eyed Peas singer Fergie has her eyes on one of them.