Here's a selection of the sexiest Sports Illustrated Swimsuit covers since 1955.

1955 – Betty di Bugnano

1964 – Babette March

1965 – Sue Peterson

1966 – Sunny Bippus

1967 – Lynn Tindall

1968 – Turia Mau

1969 – Jamee Becker

1970 – Cheryl Tiegs

1971 – Tannia Rubiano

1972 – Sheila Roscoe

1973 – Dayle Haddon

1974 – Ann Simonton

1975 – Cheryl Tiegs

1976 – Yvette & Yvonne Sylander

1977 – Lena Hansbod

1978 – Maria Joao

1979 – Christie Brinkley

1980 – Christie Brinkley

1981 – Christie Brinkley

1982 – Carol Alt

1983 – Cheryl Tiegs

1984 – Paulina Porizkova

1985 – Paulina Porizkova

1986 – Elle Macpherson

1987 – Elle Macpherson

1988 – Elle Macpherson

1989 – Kathy Ireland

1990 – Judit Masco

1991 – Ashley Montana

1992 – Kathy Ireland

1993 – Vendela Kirsebom

1994 – Kathy Ireland, Elle Macpherson & Rachel Hunter

1995 – Daniela Pestova

1996 – Valeria Mazza & Tyra Banks

1997 – Tyra Banks

1998 – Heidi Klum

1999 – Rebecca Romijn-Stamos

2000 – Daniela Pestova

2001 – Elsa Benitez

2002 – Yamila Diaz-Rahi

2003 – Petra Nemcova

2004 – Veronica Varekova

2005 – Carolyn Murphy

2006 – Veronica Varekova, Elle Macpherson, Rebecca Romijn-Stamos, Rachel Hunter, Daniela Pestova, Elsa Benitez, Carolyn Murphy & Yamila Diaz-Rahi

2007 – Beyonce Knowles

2008 – Marisa Miller

2009 – Bar Refaeli

2010 – Brooklyn Decker

2011 – Irina Shayk

2012 – Kate Upton