How Katy Perry, Kourtney Kardashian and other celebs celebrated Labor Day

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NaughtyGossip.com’s Rob Shuter fills Kathie Lee, Hoda and you in on how Beyonce celebrated her 35th birthday, why Camila Cabello of Fifth Harmony left a concert early, and how celebs such as Katy Perry and Kourtney Kardashian spent their Labor Day.