This week on Instagram, Rihanna drops more photos of herself in a bikini, MGK poses on set with Jay Leno, and DJ Envy shows Gunplay his plate of seabass. Plus, Juelz Santana celebrates the birth of his daughter and Iggy Azalea gets in a New York state of mind. Here's your top 15 hip-hop Instagram pictures of the week.

Above: Nas

Instagram name: @nasnyc

Caption: My brotha Hov & I talking about how #LifeisGood