1965: Brigitte Bardot's bangs and bouffant
1966: Twiggy's pixie cut and deep side part
1967: Cher's straight and sleek strands
1968: Barbara McNair's back-combed bob
1969: Elizabeth Taylor's bejewelled up-do
1970: Ali McGraw's sleek centre part
1971: Jane Fonda's mullet-style shag
1972: Maureen McCormick's 'Marcia Brady' hair
1973: Cicely Tyson's cornrows
1974: Lauren Hutton's glamorous waves
1975: Diana Ross' bold Afro
1976: Barbara Streisand's face-framing curls
1977: Farrah Fawcett's famous flicks
1978: Debbie Harry's bleach blonde 'do
1979: Donna Summers' curly fringe
1980: Joan Jett's rocker-shag
1981: Princess Diana's polished shag
1982: Heather Locklear's grown-out shag
1983: Christie Brinkley's volumised roots
1984: Lisa Hartman's statement mullet
1985: Madonna's half-up-half-down 'do
1986: Taylor Dayne's crimped strands
1987: Whitney Houston's bouncy ringlets
1988: Sarah Jessica Parker's undone curls
1989: Linda Evangelista's career-changing pixie cut
1990: Julia Roberts' Pretty Woman perm
1991: Courtney Love's grunge-glam shag
1992: Cindy Crawford's voluminous, loose waves
1993: Janet Jackson's box braids
1994: Drew Barrymore's grown-out pixie cut
1995: Jennifer Aniston's 'The Rachel' cut
1996: Baby Spice's dishevelled pigtails
1997: Butterfly clips à la Kirsten Dunst
1998: Britney Spears' "...Baby One More Time" Pigtails
1999: Gwen Stefani's hot pink hair
2000: Beyoncé's stripey two-tone highlights
2001: Christina Aguilera's blonde-meets-bandana 'do
2002: Halle Berry's choppy pixie cut
2003: Mischa Barton's beach-girl waves
2004: Eva Mendes' tousled layers
2005: Nicole Richie's long side fringe
2006: Victoria Beckham's angular bob
2007: Blair Waldorf's 'Queen B' headbands
2008: Rihanna's side-swept pixie cut
2009: Taylor Swift's Fearless-era ringlets
2010: Jennifer Lopez's blow-dry with body
2011: Kate Middleton's half-up-half-down wedding hair
2012: Salma Hayek's red carpet top knot
2013: Lauren Conrad's ombré locks
2014: Jennifer Lawrence's textured pixie cut
2015: Gisele Bündchen's sun-kissed balayage
2016: Ariana Grande's signature high ponytail
2017: Zoë Kravitz's ultra-short pixie
2018: Meghan Markle's messy bun
2019: Irina Shayk's 'glass hair' power bob