1979: Girl-next-door supermodel Christie Brinkley made the first of three consecutive appearances.
1980: Christie Brinkley returned the following year, this time in a skimpier bikini.
1983: Cheryl Tiegs, who debuted as an SI cover model in 1970, returned for her third time.
1986: Elle Macpherson launched her own trifecta in the Reagan era with this striking pose.
1987: Elle Macpherson returned the following year.
1989: Kathy Ireland made her SI debut in the yellow number.
1992: Kathy Ireland returned three years later, arms crossed.
1994: Kathy Ireland, Elle Macpherson and Rachel Hunter tripled up for this cover.
1997: Tyra Banks became the first black model to grace the cover of the issue.
1998: Heidi Klum made her first appearance.
2006: Veronica Varekova, Elle Macpherson, Rebecca Romijn, Rachel Hunter, Daniela Pestova, Elsa Benítez, Carolyn Murphy, and Yamila Diaz-Rahi led an all-star lineup.
2007: Beyonce became one of the rare non-model (and non-athletes) to land the cover — to help promote her swimsuit line.
2013: Kate Upton bundled up for her second cover.
