CUTE COUPLE!! Usher And His WIFE Are Photo'd . . . Buying BABY CLOTHES . . . Could They Be EXPECTING????

R&B superstar Usher and his wife Grace were spotted buying baby clothes at the high end Beverly Hills store Trico Field. Grace looked cute, and didn't appear to have a baby bump.

But we've been hearing murmurings that the couple may be looking to ADOPT!!

Usher and Grace got married secretly last September. She's his former manager.