On Monday night, James Corden had Demi Lovato and her friend of 10 years (and brother of her ex-boyfriend) Nick Jonas keep him company on his way to work. They sang a few songs, gossiped about Nick Jonas' past love life (Miley, Selena, Miley, Serena), and talked about his (former) purity ring.
James pried into Demi and Nick's relationship to see if they ever hooked up, but nope. As Demi says, she tends to go for "older guys" (James, that's your cue, man!).