Singer and new mom Beyonce Knowles recently gave fans a rare glimpse into her life on her Tumblr, posting a series of photographs that show her in some charmingly personal moments: holding hands with husband Jay-Z, napping bikini-clad in a hammock, chilling on a yacht with sister Solange, and just for all you superhero fans, dressing up as Spider-Man. Looks like one alter ego -- Sasha Fierce -- wasn't enough!