Tim McGraw and Lady Antebellum have signed on to perform on a new TV special celebrating the 50th anniversary of the Sports Illustrated swimsuit issue. Titled Sports Illustrated Swimsuit: 50 Years of Beautiful , the special airs Monday, February 3 at 9 p.m. ET on NBC. Models Kate Upton , Tyra Banks , Christie Brinkley and Kathy Ireland are set to appear on the special along with host Heidi Klum .
More stars and special guests will be announced soon.
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