Los Angeles: "Singer Jennifer Lopez and Scottish DJ Calvin Harris have reportedly discussed a "possible" music collaboration. Harris, who broke up with singer Taylor Swift last month, attended Lopez's 47th birthday party in Las Vegas over the weekend. "Jennifer and Calvin discussed a possible music collaboration during her birthday party," a source told people.com. "They discussed the types of music they both love. Calvin was excited to be at the party, hanging out with Jennifer and chatting with Benny (Medina) (Lopez's manager)," the source added. Harris also partied with reality TV personality Kim Kardashian. Before hanging out with the reality star, Harris lip-synced her rapper husband Kanye West's "That part" on Snapchat.