Blake Lively Attends Friend's Wedding in NYC Days After Welcoming Baby No. 2 -- See the Sweet Pic!

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Blake Lively just welcomed her second child with husband Ryan Reynolds last week, but that didn't keep her from attending her friend's wedding on Sunday!

The 29-year-old actress shared a sweet pic on Instagram congratulating her former assistant, Jessica Snyder, on her happy day, just a few days after giving birth to baby no. 2.

“Most beautiful bride on the planet,” Lively captioned the pic of her smooching Snyder’s cheek. “And the best friend I could ask for. @jessicarose617 thank you for being EVERYTHING. I love you. ❤️❤️❤️❤️.”

RELATED: Blake Lively and Ryan Reynolds Celebrate 4th Anniversary Ahead of Baby No. 2’s Arrival

Snyder and her fiance, Selwyn Cummings, tied the knot at Tribeca Rooftop in New York City, and Lively shared another pic of her friend’s “KILLER details,” including her gorgeous engagement ring, perfect manicure and stunning Marchesa wedding gown. 

A source confirmed to ET last week that Lively and Reynolds had welcomed their second child. The pair are also parents to a daughter, James, who was born in December 2014. Check out the video below for more details on the couple’s new bundle of joy!

WATCH: Blake Lively Gives Birth to Baby No. 2!