Oh baby! Stars who are expecting

R&amp;B star Alicia Keys and her musical husband Swizz Beatz will soon be singing more lullabies. The couple celebrated their fourth wedding anniversary on July 31 <a href='http://instagram.com/p/rGn3CmwFn3' target='_blank'>with the announcement that they're expecting their second child. </a>

R&B star Alicia Keys and her musical husband Swizz Beatz will soon be singing more lullabies. The couple celebrated their fourth wedding anniversary on July 31 with the announcement that they're expecting their second child.