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Talk about a hot mama!

Jessica Biel has been largely out of the spotlight since giving birth to son Silas last April, but the actress attended a garden party to celebrate Amazon's children's program Tumble Leaf in LA on Sunday and stole the show!

Justin Timberlake's wife looked phenomenal in a floral dress that showed off her post-baby body, and it doesn't appear that she has any lingering pregnancy pounds. Lucky lady! Her singer hubby gave us a rare peek at their baby boy during an appearance on Jimmy Fallon's late night show last week, and the couple is clearly relishing in new parenthood.

"It's been five months and it's so amazing to see a friend go through this, because you know, I grew up with him since he was 14 years old. But to see this amazing dad now...all he wants to talk about is the kid," pal Lance Bass revealed on The Meredith Vieira Show.

Lookin' good Jess!