How to Socialize With Other Guests at a Wedding

"I just started chopping up with people that I saw," he said. "It's like slightly awkward at first but you just get used to it and also like you got like a slight buzz or just like drunk or something then like it takes the edge off" He was alone without his girlfriend for most of the wedding, so how did he socialize? The easiest way is just like go to the bar and be like hey anyone want to do like shots or something or like get a drink.