Taylor Swift, Calvin Harris Fuel Romance Rumors; Photographed Holding Hands In West Hollywood

If rumors claiming Taylor Swift and Calvin Harris are a couple are true, they are certainly not trying to hide it. The two musicians were seen packing on the PDA after leaving the Troubadour club in West Hollywood, California, Thursday night. According to People magazine, they were attending a Haim concert together. The two walked out of the venue hand-in-hand, smiling and laughing.

"When they came out of the club, pushing and shoving ensued as photographers jockeyed for a position outside the venue's private exit. Calvin led the way for Taylor and helped her into the car," an unnamed witness told E! News. "Calvin was very much the gentleman getting in front of the paps to help her into the car."

It was first rumored the pair were together after Swift, 25, and the 31-year-old DJ were spotted getting cozy during a Kenny Chesney concert in Nashville, Tennessee. There was a slight lull in speculation when Swift appeared at the iHeartRadio awards in Los Angeles last Sunday without Harris by her side, but sources told Us Weekly earlier this week that they are definitely an item.

According to the source, the pop singer and Harris were introduced at the 2015 Brit Awards. They began texting back and forth, but their relationship "really started popping off" when the "Blank Space" singer flew to Las Vegas to catch Harris' March 7 performance. Friends of the DJ say his relationship with Swift is deeper than physical attraction. The insider says their career-driven natures and shared passion for the music business is a major factor.

Neither Swfit nor Harris has commented on the relationship reports at this time.