Simpson's husband, Evan Ross, couldn't help but share a sweet birthday message to his 'everything.'
Happy birthday, Ashlee Simpson!
The "Pieces of Me" singer turned 32 on Monday, alongside a little ice cream, a big slice of red velvet cake, and her adorable children.
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Evan Ross took to Instagram to share a sweet pic of his wife's special day, as she blew out a huge candle with 7-year-old son Bronx and 1-year-old daughter Jagger on either side of her.
"Happy Birthday to the Most incredible Lady. I love you with all my heart baby. Im so lucky to have you!! Your My everything!! @ashleesimpsonross !!!!!!" he captioned the cute family pic.
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It looks like Ashlee celebrated with her sister, Jessica -- and Balenciaga -- on Tuesday.
"A day of the life in Balenciaga @ashleesimpsonross ?," the 36-year-old designer wrote alongside a silly shot of Ashlee zipped up in a giant bag.
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The Simpson sisters are as close as ever, and their tight relationship seems to have rubbed off on their children.
Earlier this year, Jessica shared an adorable snap of her 2-year-old son, Ace, cradling Ashlee's daughter-- and even giving her a sweet kiss on the head.
See the sweet shot in the video below.