Chappell Roan, Charli Xcx, Christina Aguilera & More Stars Attend MISTR's 2026 National PrEP Day Party - Celebrity Guest List Revealed!

Iconic pop star, 45, stuns in sheer leather ensemble

Christina Aguilera wore a sheer black minidress at National PrEP Day in Los Angeles to help raise awareness for HIV prevention and sexual health.

Christina Aguilera Turns Heads in Sheer Mesh Dress and Leather Lingerie at Los Angeles Event

Christina Aguilera made a bold fashion statement at National PrEP Day in Los Angeles, wearing a black sheer mesh minidress over lingerie with thigh-high lace-up boots. The singer joined Demi Lovato, Kesha, Charli XCX and Chappell Roan at the event, which promotes HIV prevention, sexual health and access to PrEP medication.

Pop star stuns with see-through red carpet look

Pop star Christina Aguilera has pulled off yet another stunning red carpet look, this time sporting a black sheer outfit while attending the National PrEP Day in Los Angeles over the weekend.

Hollywood turns out for MISTR’s Star-Studded National PrEP Day Celebration

Demi Lovato, Christina Aguilera and Charli XCX were among the star-studded lineup at MISTR’s second annual National PrEP Day Celebration at The Abbey Food & Bar in West Hollywood on Saturday, October 10.

Exclusive: Charli XCX on MISTR and Carrying Madonna's Torch

Charli XCX sits down with Newsweek to talk National PrEP Day, teaming up with MISTR, and carrying forward Madonna’s torch.

Christina Aguilera, 45, Bares Her Black Lace Bra and Lace-Up Underwear in a Sheer Mesh Minidress

The “Dirrty” singer committed to the peekaboo lingerie trend with the ultra-revealing look.Christina Aguilera at The Abbey Hosts National PrEP Day on October 10, 2026 in Los Angeles, California.Credit: Getty ImagesThe GistChristina Aguilera embraced a NSFW lingerie dressing moment in a completely sheer naked dress on October 10.The 45-year-old icon wore nothing but a black lace bra and lace-up leather underwear beneath her mesh LBD on the red ca…