Peek-A-Boo! Blue sees us, but we can’t see Blue! Singer Beyonce Knowles has shared several snapshots of herself and her daughter on her official Tumblr page. In one picture, the singer can be seen playing peekaboo in a hammock with Blue. Another picture shows the singer reclining in a hammock while her baby girl, who is 21 months old, sits next to her. Check out more snapshots below, including one showing the two playing with bubbles in their bathing suits.