Lunchtime Links
Instagram; Courtesy (2); Getty (2); WireImage

1. Madonna has officially joined Instagram! Follow her? [Instagram]

2. Melissa McCarthy and Jason Bateman’s movie Identity Thief steals the top box office spot.  [EW]

3. It’s the Backstreet Boys 20th anniversary, and they’re making a documentary.  [THR]

4. Gisele Bundchen posted an adorable photo of her daughter Vivan Lake on Facebook. [HuffPo]

5. Watch a new Game of Thrones teaser trailer! [E! Online]

6. Kate Upton lands Sports Illustrated‘s swimsuit issue for the second year in a row. [SI]