Alicia Keys Is Pregnant?

Rumors have started that R&B singer Alicia Keys is pregnant and recent photos (above) seems to suggest that this is true. If indeed Alicia Keys is pregnant, then this will be the 33 year old musician's 2nd child.
Alicia Keys will be performing at tomorrow (Sunday-10th February, 2013) 55th Annual Grammy Awards in Hollywood. Will she announce her pregnancy out there?