Jennifer Garner is fifty, flirty and thrving!

The “13 Going on 30” star took to Instagram to mark her milestone 50th birthday on Sunday, April 17.

Garner posted a video featuring some adorable animals frolicking about excitedly.

“Waking up on my birthday,” said the caption.

In response to her post, Garner received an outpouring of well-wishes from a number of A-list stars.

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“Happiest Birthday to our happy little farm girl! 💗,” wrote Reese Witherspoon. 

“I love you!!!” gushed Kristin Chenoweth. 

“Happy happy my friend what a great day to have a birth day,” said Maria Shriver.

“Happy Birthday sweet Jen! The best is yet to come,” wrote Rita Wilson.

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“Happy, Happy Birthday!!! Sending lots of love,” added Ina Garten.

Ahead of her birthday celebrations, Garner got a big surprise from music icon Donny Osmond.