We're only a few weeks away from the release of the 50th Anniversary 2014 SI Swimsuit Edition.  The top five most popular swimsuit models based on their Twitter, Instagram, & Facebook networks are:  Tyra Banks, Heidi Klum, Irina Shayk, Bar Rafaeli, & Kate Upton.

My personal favorites are Christie Brinkley, Cheryl Tiegs, and Heidi Klum.

Who are yours?  Vote in our poll before Thursday afternoon.  And, enjoy some of the video extras below.

<Pictured:  2014 Lily Aldridge, Nina Agdal and Chrissy Teigen Photo Credit: James Macari | Sports IllustratedRead more.

Poll: All-time favorite SI: Swimsuit cover model?