Star snaps of the week: Demi Lovato, Alix Earle, Kylie Jenner, Nina Dobrev and more

1 of 18 Demi Lovato suits up to ride a Jet Ski in the Bahamas. ddlovato/Instagram 2 of 18 Ashlee Simpson toasts husband Evan Ross for his 38th birthday. ashleesimpson/Instagram 3 of 18 At the premiere of action movie “Onslaught,” Jason Momoa shows love to the lead actress, his girlfriend Adria Arjona.

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