Sam Asghari, 28, showed off the dance moves we didn’t know he had! While on a getaway for fiancée Britney Spears‘ milestone 40th birthday, the fitness trainer hilariously twerked in a video shared to his Instagram account on Friday, Dec. 3. It all started after he walked into a hotel room wearing just his boxers, announce he needed “a doctor” because he had a “bug bite in my a–.”