Lady Gaga is the latest singer to collaborate with Beatles legend Paul McCartney for a song, it has been reported.
The 28-year-old singer shared her pic on Instagram with McCartney with a caption, "Always a good time with my buddy. I'll never forget when he called me last year to work and I hung up the phone cuz I thought it was a prank!", the Mirror reported.
The 28-year-old musician is currently making the follow-up to her third solo studio album 'Artpop', which was released in 2013, and has been working with the 'Let It Be' singer as well as Disco producer Giorgio Moroder.
McCartney has been busy working with other musicians as he features on Rihanna's new single 'FourFiveSeconds' as well as Kanye West's emotional track 'Only One'.
