Ariana Grande performs at the re-opening of Tiffany & Co. in Beverly Hills

On October 13th, Ariana Grande, was the entertainment at Tiffany & Co.‘s party to celebrate its renovated Beverly Hills store that night. Reese Witherspoon, Jennifer Garner, Kate Hudson, Halle Berry, and more watched her perform some tracks from Dangerous Woman, and she also performed a rendition of “Diamonds Are a Girl’s Best Friend,” made popular by Marilyn Monroe in 1953. Check out the photos and videos below!