Popsugar Entertainment Lil Nas X Best Live Music Collaborations 2019 10 Times Musicians United on Stage This Year For a Phenomenal Performance 12 August 2019 by Brea Cubit View On One Page Photo 1 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Ariana Grande and Barbra Streisand at a Concert in Chicago Grande shocked an audience at Streisand's concert when she stepped out to perform a duet in August. Previous Next Start Slideshow Lil Nas XBest Of 2019Taron EgertonAriana GrandeHarry StylesBarbra StreisandStevie NicksJoan JettBilly Ray CyrusMusic