Miley Cyrus' brother Trace Cyrus and girlfriend Brenda Song, star of the Disney Channel's "The Suite Life on Deck," are reportedly expecting their first child.
The two have been dating for at least a year and have spurred pregnancy rumors before.
Song is known for her role as London Tipton on "The Suite Life on Deck," a spin-off of the Disney Channel series "The Suite Life of Zack and Cody," which ran between 2005 and 2008.
She also played Christy, the jealous girlfriend of Facebook co-founder Eduardo Saverin, in the 2010 movie "The Social Network" and voices a character in the upcoming animated film "Tinker Bell and the Pixie Hollow Games."
Trace Cyrus, formerly of the group Metro Station, is part of the band Ashland High and owns the clothing line Southern Made Hollywood Paid, which currently features Song as its main model. The two Tweeted messages promoting the company on Tuesday.
The report comes about a week after Disney Channel alum Hilary Duff announced she and husband Mike Comrie are expecting their first child. Duff, 23, played Lizzie McGuire on the cable network's comedy series of the same name from 2001 to 2004.
Trace briefly dated "Sonny with a Chance" star Demi Lovato in 2009, while Song was romantically linked to singer Joe Jonas.
Trace and pop star and actress Miley Cyrus, 18, share a biological mother, Tish, and he was adopted by Billy Ray Cyrus. It was announced last year that the two men were set to film the SyFy reality series "UFO: Unbelievably Freakin' Obvious," which will show them investigating conspiracy theories.