Kelly Rowland Says Her Biggest Beauty Splurge Is an LED Light: I 'Sleep Under It Every Night' (Exclusive)

The singer served as Beautycon's keynote speaker in Los Angeles on Sunday

<p>Paras Griffin/Getty Images for Beautycon</p> Kelly Rowland

Paras Griffin/Getty Images for Beautycon

Kelly Rowland

Kelly Rowland says her biggest beauty splurge is an LED light.

The singer, 42, headlined Beautycon in Los Angeles on Sunday, when she spoke exclusively to PEOPLE about her fashion and beauty choices.

When asked about a beauty product that she dropped a large sum of money on, Rowland said, “There's this light by Shani Darden, the LED light, and it's not cheap. But I literally sleep under it every night.”

“It's like a 20 to 30-minute time limit. When I'm under there, it [has] red lights, blue lights and other colors of light,” she added. “But those are the ones that I use the most, and they are so awesome because of the simple fact that they are like killing germs and [helping with] anti-aging, which is amazing."

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<p>Arnold Turner/Getty Images for Beautycon</p> Kelly Rowland

Arnold Turner/Getty Images for Beautycon

Kelly Rowland

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At Beautycon, Rowland was dressed in a blue-gray pantsuit with a stylish oversized blazer jacket. She wore her hair down in a fringe hairstyle with loose curls.

Speaking about some of her favorite beauty products that have great price and value, the "Work" singer gave a shoutout to Winnie Harlow’s Cay Skin, which she said “really [does] its job and is moisturizing.”

She also noted that she gets a gloss from the brand, which she said overall has "lovely products." Rowland added, “Great job Winnie."

<p>Paras Griffin/Getty Images for Beautycon</p> Kelly Rowland

Paras Griffin/Getty Images for Beautycon

Kelly Rowland

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And despite Rowland’s fabulous fashion looks over the years, the star told PEOPLE that she doesn’t follow trends. “I just like to have fun with fashion,” she explained. “I don't like to follow anybody. I'd like to do what I feel.”

As for one of her favorite outfits she's ever worn, Rowland told PEOPLE it was a “dope VMAs look" she wore while she was in Destiny’s Child.

“It was these corsets,” Rowland described, seemingly referring to the girl group's attire at the 2000 Video Music Awards. “I remember I could not breathe to save my life, but it looked amazing. We had stones on these black corsets and skirts and it was different variations of corsets. It was dope.”

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