Take a walk on the wild sideliterally! According to celebrity manicurist Ashlie Johnson, who works with Reese Witherspoon and Kristen Stewart, it’s all about high-octane hues this summer. “I’m really in love with anything brightthe colors look so good with a tan and with sexy sandals,” Johnson said. “For both the hands and toes, I’m obsessed with Chanel’s Holiday ($26; chanel.com
) and pinks like Rose Exuberant ($26; chanel.com
MORE: See our top makeup, hair and skincare picks of 2012 in InStyle's Best Beauty Buys list.