They didn't walk down the aisle, but Usher and his baby mama aren't over just yet.

Cameras caught Mr. and almost-Mrs. Raymond -- the preggers Tameka Foster -- in NYC last night as they left their Upper West Side hotel. While paps kept pressing the duo for their new wedding date, Usher and his expectant lady in waiting wouldn't talk.

While the couple is expecting their first child in the fall, Tameka has three kiddies from a previous relationship. Yeah!