Nikki Nelson / WENN 1 / 7
Nikki Nelson / WENN 1 / 7

Miley Cyrus may soon be walking down the aisle a bridesmaid!

Her rocker brother Trace is set to wed his girlfriend, Disney Channel star Brenda Song.

PHOTOS: Stars' HUGE engagement rings

"I am very excited to say, last week I asked my girlfriend Brenda Song to marry me and she said YES!" Cyrus, 22, announced via Twitter on Friday. "We are both very excited to be engaged!"

Song, who played Andrew Garfield's psycho girlfriend in "The Social Network," first began seeing the ex-Metro Station rocker (who now fronts the band Ashland HIGH and has a clothing line, Southern Made Hollywood Paid) earlier this spring.

PHOTOS: Miley's wild life so far

"Trace has known Brenda through Miley for years, but they were always friends," a pal told Us Weekly recently. The couple made their first red-carpet appearance together at a Nylon magazine party in May.


Romance Report for Oct. 10: Clooney and Keibler Hit Cabo, and Lots More

Week in Photos for Oct. 14, 2011

The Shortlist for Oct. 14