Christina Aguilera Shares Adorable Baby Bump Photo

Pregnant Christina Aguilera shows baby bump

Baby bump alert!

Christina Aguilera, 33, showed off her absolutely adorable baby belly on Twitter this past weekend. The mom-to-be shared a selfie sans makeup in a tight blue tank top. "Happy 1st Day of Summer!" she wrote, touting Eos lip balm. 

Aguilera and her fiancé, Matthew Rutler, are expecting a daughter, reportedly due in August or September. The singer is already the mamá to 6-year-old Max, her son with ex-husband Jordan Bratman. 

"I'm really excited to meet our baby girl," she said earlier this month"This has been a very easy and enjoyable pregnancy." 

Christina is absolutely glowing! We're so excited to meet her daughter -- are you?