Marshall, who? He is a 22-year-old backup dancer for Miley Cyrus. It sounds he is also the new boyfriend for the Hanna Montana teen sensation. The two pictures showing Miley Cyrus kissing and hugging Marshall now were posted by Perez Hilton on his blog. Miley Cyrus is too naughty! In the past six months, we were fed up with her scandalous photos.