Birthdays: "Instahunk" Jeff Seid Heads To Las Vegas For The Big 21

This guy turns 21 today in Las Vegas, as he attends Ditch Fridays at Palms Pool this afternoon.

His name is Jeff Seid, and he's got over 950,000 followers on Instagram, where he's know at "the InstaHunk."

Question: "What's the best thing about being an Instahunk on Instagram?"

Seid: “Making money by posting shirtless pics.” laughs Kent, Wash., native Jeff Seid, who celebrates his 21st birthday

Just imagine what his night is going to be like...