"There wasn't anything too crazy (at the party), but just being there was cool. I was just at the back (of the club) chilling, and then I see Kanye and Kim like, 10 feet away from me, and then I see (basketball stars) James Harden and Kevin Durant walking next to me, it's just crazy." Teen pop sensation Austin Mahone was star-struck attending Kylie Jenner's 18th birthday party at Hollywood nightclub Bootsy Bellows on Sunday (09Aug15).