Christina Aguilera showed off her baby's chubby legs in a social media post as rumors alleged that "The Voice" coach will make an appearance on "Pitch Perfect 2."

In her Instagram, Christina Aguilera shared a photo to her 735,000 followers of her baby wearing white bloomers with the words "Lil Diva" embroidered on them. The baby appears to be crawling away from the camera.

She captioned the photo: "Watch out...another one's getting ready to conquer the world! #driven #diva2."

One user commented: "OMG !!!! Those cute little legs!! still can't believe you are a mom of two kids !!! Love you since "stripped."

Another said: "Summer ~Welcome to the world ~lil diva."

One follower wrote: "Omg!!!! >[]< Summer she's really cute."

The 34-year-old coach of "The Voice" gave birth to Summer Rain in August of last year. Christina Aguilera already has a boy, Max, who just turned seven years old, from ex Jordan Bratman.

In choosing the name Summer Rain, a source had told E! News that Christina Aguilera wanted "something different and unique."

"She has always been a more expressive person and a little bohemian who is inspired by words and daily life," the source added, explaining that Christina Aguilera thinks that summer is an amazing time of the year.

Meanwhile, Christina Aguilera is rumored to appear in "Pitch Perfect 2."

However, the website claimed that Christina Aguilera's appearance in "Pitch Perfect 2" might just be a cameo, although there's no confirmation yet regarding this report.

The synopsis for "Pitch Perfect 2" reads: Collegiate a cappella group the Barden Bellas enter into an international competition that no American team has ever won. The movie will bring back original cast members Anna Kendrick, Rebel Wilson, Britanny Snow, Anna Camp, Skylar Astin, Hana Mae Lee, Elizabeth Banks, and Katey Segal.