20 Hottest Female Celebrities Under Thirty

Blake Lively

Blake Lively is 27 years old and a recent mother with her husband Ryan Reynolds. She is best known for starring in Gossip Girl, but we’ll remember her for that hot body.

Lily Collins

Lily Collins is such a pretty girl. She made a name for herself with her role on The Blind Side. She is 26 years old and is rocking the short hair now, which makes her look even hotter.