Underwood was born in Portland, Oregon. She was featured on the cover, holding a football and clad only in a body painted rendering of an Oregon State Beavers football jersey and matching bikini briefs. She appeared in several more episodes of The Girls Next Door. On June 7, , a group of Oregon State University women's studies students created a poster celebrating Underwood's selection as Playboy's Playmate of the Year, and posted it outside Bexel Hall, where it remained in place for only a few hours before Oregon State University staff took it down. The poster embraced the theme and the style of the "Achievement" posters that line Campus Way at the university.
The 'nature buff', from Portland, Oregon, sets pulses racing with sizzling snaps of her hikes around the US, where she is either completely in the nude or partially dressed. Sara Jean, 32, who also works as a model and has dated Ryan Seacrest, has managed to build a huge social media following thanks to her scantily-clad selfies taken atop canyons and stunning mountain ranges. A former Playboy cover girl, she has spent the past year 'hiking in the great outdoors and taking some amazing pictures along the way' - and says there's even more to come in The glamour model strikes a sultry pose at Bryce Canyon, Utah.