All the Glamorous People Zac Efron Has Been Partying With This Summer

Zac Efron's Summer hasn't just been about starting up a steamy new relationship with Michelle Rodriguez. The actor has been spending his vacation time hopping around to various luxurious European spots to hang out with a host of glamorous friends, including (but not limited to) Kanye West, Kim Kardashian, and Jared Leto. Keep reading to see all the famous folks that Zac has been partying with over the past few weeks, and keep your eyes peeled for more snaps of Zac's ultimate Summer. Source: Instagram user moalturki

Paris Hilton, Kim Kardashian, Kanye West, and Diddy

Paris Hilton, Kim Kardashian, Kanye West, and Diddy

Zac got photobombed by Diddy when he tried to take a picture with Kanye West at Riccardo Tisci's birthday party in Ibiza. Oddly, Kim Kardashian and Paris Hilton just didn't notice. Source: Instagram user moalturki

Michelle Rodriguez, Producer Mohammed Al Turki, and the Brant Brothers

Michelle Rodriguez, Producer Mohammed Al Turki, and the Brant Brothers

Zac was also joined at Riccardo's birthday party by Michelle and her close friend, Saudi producer Mohammed Al Turki. They all hung out with Peter Brant Jr. and Harry Brant, the sons of Peter Brant and Stephanie Seymour who have gained a strong following on Instagram for their lavish lifestyle. Source: Instagram user moalturki

Jared Leto

Jared Leto

Who else did Zac meet at Riccardo's party? Oh, just Jared Leto! Source: Instagram user moalturki

Designer Riccardo Tisci and Peter Brant (Again)

Designer Riccardo Tisci and Peter Brant (Again)

What would a trip to Riccardo's birthday party be without a snap with the man himself? Source: Instagram user moalturki

Italian Businessman Gianluca Vacchi

Italian Businessman Gianluca Vacchi

Zac kicked off his Summer of fun by hanging out with Italian businessman Gianluca Vacchi in Sardinia, Italy. Sure, Gianluca isn't exactly famous, but, according to Zac, he is "the most interesting man in the world." Source: Instagram user gianlucavacchi