Jennifer Tisdale, the older sister of Ashley, and her husband Shane McChesnie are expecting a baby girl in February, JustJaredJr.com has learned exclusively.

Shane, who manages a restaurant in L.A., and Jennifer were married in a private ceremony in August in New Jersey where auntie-to-be Ashley was the maid of honor.

JJJ was the first to break the news of Jennifer expecting a bundle of joy back in July.

Congrats, Jennifer and Shane! We can’t wait to see the little one!!!

Ashley Tisdale keeps close to big sis Jennifer as they attend the premiere of Fame held at The Grove in Los Angeles on Wednesday night (September 23).

Earlier in the day, Ash, 24, and her mom Lisa lunched at Studio Cafe wearing some cute butterfly sweats.

Fame, starring Kay Panabaker, Kherington Payne and Asher Book, hits theaters THIS Friday, September 25.

10+ pics inside of Ashley & Jen Tisdale… More Here! »

Jennifer Tisdale and her fiance Shane are planning their upcoming nuptials but sources tells JustJaredJr.com that the happy couple are also starting a family together.

“They couldn’t be happier,” a source close to the couple reveals. “They’re ecstatic and planning to get married later this month.”

Jennifer, the 27-year-old sister of Ashley Tisdale, just tweeted this beautiful quote: “Life is not measured by the number of breaths we take, but by the moments that take our breath away.” Yesterday she tweeted that she’s moving into a bigger apartment to fit everyone: “Getting ready to pack up my apartment So excited about getting a bigger place w/ my loves!”

Jennifer had announced her engagement to Shane via Twitter earlier this month.

Congrats to the happy couple and Auntie-to-be Ashley Tisdale!!!

Jennifer Tisdale, the 27-year-old sister of High School Musical’s Ashley Tisdale, is engaged to the love of her life, Shane.

Jennifer just tweeted the news, saying, “After almost 3 years. I’m getting married to the love of my life!!! Ahhh I have a fiance!!!! :)”

She has previously tweeted, “[I'm] so thankful that Shane is as amazing as he is. I think I’m gonna surprise Shane and bake a cake.”

Ashley must be so happy for her big sister!!! Congrats, Jennifer!