Flashback Friday: Kate Upton vs. 1980s-era Swimsuit

Kim Alexis in Australia, 1985 :: Brian Lanker/SI | Kate Upton :: Mario Testino for British Vogue

Kate | Kim Alexis in Aruba, 1984 :: Paolo Curto/SI

Kathy Ireland and Elle Macpherson in St. Vincent in St. Vincent, 1990 :: Robert Huntzinger/SI

Elle Macpherson in Thailand, 1988 :: Marc Hispard | Kate | Christie Brinkley and daughter Alexis Ray in Kenya, 1989 :: John G. Zimmerman/SI

Judit Masco, Kathy Ireland and Akure Wall in St. Vincent, 1990 :: Robert Huntzinger/SI

Kate | Kim Alexis in Aruba, 1984 :: Paolo Curto/SI

Kate | Renee Simonsen in the Dominican Republic, 1986 :: John G. Zimmerman/SI

Kate | Kathy Ireland and Elle Macpherson in St. Vincent, 1990 :: Robert Huntzinger/SI

Sabrina Barnett and Rachel Hunter in St. Vincent, 1990 :: Robert Huntzinger/SI

Estelle Lefebure in Thailand, 1988 :: Marc Hispard/SI | Kate | Judit Masco in St. Vincent, 1990 :: Robert Huntzinger/SI

Kathy Ireland in St. Vincent, 1990 :: Robert Huntzinger/SI | Kate Upton

Elle Macpherson in St. Vincent, 1990 :: Robert Huntzinger/SI

Kelly Emberg in Mexico, 1989 :: Paolo Curto/SI | Kate | Elle Macpherson in Thailand, 1988 :: Marc Hispard

Judit Masco in St. Vincent, 1990 :: Robert Huntzinger/SI

Akure Wall in St. Vincent, 1990 :: Robert Huntzinger/SI