'It feels pretty good!' Happy 40th birthday Jenna Wolfe!

TODAY anchor Jenna Wolfe celebrated her milestone 40th birthday on Wednesday, but a word to the wise: Don't tell her she's over the hill.

"I am simply a number," Jenna told TODAY.com. "The number happens to be 40, but I still feel like 27!"

Jenna Wolfe

Of the big day, Jenna also quipped, "I have the maturity of an 8-year-old, so all in all, it feels pretty good!" 

Went+to+bed+in+my+30's,+woke+up+in+my+40's.+Faaaaancy!!!+To+all+my+fellow+friends+born+on+2/26....+Happy+birthday!!

—+Jenna+Wolfe+(@JennaWolfe)+February+26,+2014+

To commemorate her birthday, she planned a little boot camp workout with her adorable daughter Harper, and a jog through Central Park if the baby's quads aren't too tight.

"I realize she's only six months old, but it's never too soon to start a good birthday celebration," Jenna joked.

Abs of steel to baby bump, and back: Jenna Wolfe on her body after baby

Dang!!+My+kid's+got+a+HUGE+appetite!!+(and+no+we+did+not+feed+her+cake)+@harperestelle+pic.twitter.com/RtzMnQF6Uq

—+Jenna+Wolfe+(@JennaWolfe)+February+26,+2014+

Even though Jenna says Harper is the greatest gift ever, she also added she wouldn't mind a new Bose sound system for her birthday. (Hopefully, her partner Stephanie Gosk is reading this!)

Happy birthday Jenna — 40 looks great on you!

Follow TODAY digital dude Kyle Michael Miller on Twitter.

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