Selena Gomez performed her new single Come & Get It on the Late Show with David Letterman Wednesday and instead of her usual Bollywood-inspired dance, the 20-year-old chose to stand by the microphone in a simple black dress and Bindi.

The singer has performed the song on a televised program before - at the MTV Movie Awards, on Dancing with the Stars and on The Ellen DeGeneres Show - in traditional Bollywood garments along with her dancers. On Wednesday, however, she gave Letterman a more subtle performance as she sported a simple dress with a robe and knee-high boots. She still wore a Bindi, though the wardrobe choice has sparked controversy.

Gomez was asked to apologize by the leader of the University Society of Hinduism, Rajan Zed, for wearing a Bindi, which is a religious symbol associated with Hinduism.

"The bindi on the forehead is an ancient tradition in Hinduism and has religious significance," Zed stated. "It is also sometimes referred to as the third eye and the flame, and it is an auspicious religious and spiritual symbol ... It is not meant to be thrown around loosely for seductive effects or as a fashion accessory aiming at mercantile greed.

"Selena should apologize and then she should get acquainted with the basics of world religions."

Gomez defended her choice to wear a Bindi in a radio interview on Z100's Elvis Duran Show that aired on Wednesday.

"I think the song has that Hindu, tribal feel and I wanted to translate that. I've been learning about my chakra and bindis and the culture - it's beautiful," she said.

Gomez announced her first solo world tour earlier in April. Stars Dance World Tour will kick off in North America on Oct. 10 and will run through Nov. 20. Tickets go on sale April 20, with The Scene pre-sales starting on April 17. Full a full list of tour dates, click here.