To keep her curls shiny and healthy Playboi Carti I Am Music Shirt . Cosima uses Charlotte Mensah Manketti Hair Oil and Manketti Oil Conditioner. “It makes my hair so easy to comb through.” She lets it dry in four braids for maximum definition, and takes them down when she’s ready to hit the London streets. “I’m always late so I rarely have time to use makeup,” she says, “so a simple skincare routine is needed.”

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To keep it glowing and clear, she uses the The Liz Earle Cleanse and Polish and then Environ Moisturizer—“it’s super simple Playboi Carti I Am Music Shirt .” When there’s time for a little makeup, Cosima reaches for the Glossier Lash Slick or, “for a more intense look,” YSL Mascara. On a tired-feeling day, she’ll use the Glossier Stretch Concealer and a Fenty Lipgloss. For an elevated stage look, Boy Brow, MAC Illuminating Cream, and NARS Tinted Moisturizer is her go-to “for an even base.”To relax, the singer turns to hot yoga and hot pilates classes, recommending The Movement Practice pilates in Amsterdam.“I’d probably move cities for it,” she exclaims. And for the perfect manicure, Sylvie Macmillan is her girl.As for what to expect next from Cosima? “A lot of new music,” she says, as a result of the work she’s been doing with her own record label, and beauty wise, “I want to try a few 60s and 70s-inspired wigs, and maybe even a Barbara Streisand nail for a music video.” The classic beauty is ready for some major transformative looks. “Growing up I was always told, if you don’t like what’s underneath the makeup, then you’re not ready to wear the makeup,” Cosima says, “but now I’m able to try new things. Now I’m happy with me.”In the ’70s, long before neon-splashed plaits and glitter-dusted roots were crafted for the theater of Instagram, festival hair was something entirely different. The decade’s rock ’n’ roll musicians and showgoers alike were letting their manes run wild and free. And at the forefront of this devil-may-care hair attitude was none other than witchy goddess Stevie Nicks, who turns 71 today. For Fleetwood Mac’s frontwoman, there was no such thing as a bad hair day.