Siren Red Lips + Flawless Face It s hard to beat classic All-American glamour, but keep it from looking too done with sheer, natural foundations like (1) Laura Mercier Mineral Powder SPF 15, $35; lauramercier.com, (2) Sue Devitt Microquatic Pro-Marine Tinted Moisturizer SPF 30, $35; sephora.com, (3) Jemma Kidd Makeup School Light As Air Liquid Foundation, $38; neimanmarcus.com, and (4) Hourglass Veil Fluid Makeup, $65; hourglasscosmetics.com. Amp up lips with (5) Lancome Color Design Sensational Effect Lipcolor in Red Stiletto, $21; lancome.com or (6) Kevyn Aucoin The Expert Lip Tint in Poppie/Basic Red, $23; kevynaucoin.com. Girls in the know start with prime eyes, cheeks, and lips with (7) Laura Geller Spackle Trio, $30; qvc.com and sephora.com.