Fergie and her fiance, Josh Duhamel, are teaming up for daily hikes until the singer, 33, reachs her goal of losing 13 pounds.
"Josh surprised her with a new iPod with her favorite artists to help motivate her," Fergie's pal tells OK!. The petite star is complementing her workouts with meals delivered courtesy of chef Carrie Wiatt's L.A.-based Diet Designs. The customized meals are a sharp contrast to Fergie's menu of "fish, chips and everything fried," which she said she ate to pack on pounds for the upcoming musical Nine.
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And the pressure to get fit is even greater with a big wedding on the way!
"They're getting married in two months and she wants to feel good in her wedding dress," the pal says.
Meanwhile, you can catch Fergie when she hosts the Hollywood segments of Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2009 when it airs Dec. 31, 2008 on ABC!