Looking Good! Christina Aguilera Shows Off Her Post-Baby Body at the Breakthrough Prize Awards [Photos]

Christina Aguilera gave birth three months ago to Summer Rain and is already back to her slender figure.

She, alongside her fiancée Matt Rutler, attended the Breakthrough Prize Awards on Sunday in Mountainview, Calif. wearinga dramatic red gown that looked amazing!
We all know Christina has her fashion highs and definite fashion lows — but she got it all the way right last night! What do you think?