Ashlee Simpson Ross Celebrates 31st Birthday—See Her Cutest Pics With Husband Evan Ross

This is the first birthday the singer, actress and younger sister of Jessica Simpson will celebrate since giving birth to her and Evan's daughter, Jagger

UPDATE: On Saturday evening, Evan Ross wished his wife a special birthday on Instagram. "Happy birthday. My love and My life," he wrote with a picture from their wedding day. "You are everything!!!!! @ashleesimpsonross." 

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Happy birthday, Ashlee Simpson Ross!

The singer, actress and younger sister of Jessica Simpson turned 31 on Saturday, a little more than two months after she and husband Evan Ross, 27, welcomed their first child together, baby daughter Jagger Snow Ross.

Jagger joins big brother Bronx Mowgli Wentz, 6, Ashlee's son with ex-husband Pete Wentz.

She and Evan married in front of family and friends in August 2014 at the Greenwich, Connecticut estate of his famous mother Diana Ross, who also officiated their ceremony. Days before Jagger's birth, Evan shared beautiful photos from their wedding.

Last week, Ashlee and Evan posted on their Instagram pages gorgeous photos of the proud parents with their baby girl.

Jagger Snow Ross ! Everyone!!!!! Everyday has been the best day!!! such a wonderful blessing. Love you @ashleesimpsonross best mommy in the world!

A photo posted by Evan Ross (@realevanross) on Sep 24, 2015 at 10:37am PDT

Here's another one of our beautiful love @realevanross and Jagger Snow Ross

A photo posted by @ashleesimpsonross on Sep 25, 2015 at 10:48am PDT

"I've never met a person in my life that makes me feel, you know, so content and supportive of what I'm doing," Evan had told E! News about Ashlee. "And I'm supportive of what she's doing and two creative people that just want to be creative around each other, it's brilliant.

"We understand each other and we care about the same things and we look out for each other the same kind of way," he said.

See several of Ashlee and Evan's cutest pics together below.