Poppy Montgomery, another celebrity doing P90X!

Here's the story of Without a Trace's Poppy Montgomery, as seen in People Magazine. I love it when stars, who can have anything given to them with a phone call, see P90X on TV and buy it for themselves. There's proof it's the real deal, and that there are no freebies! Everybody has to work for it!

Poppy Montgomery was always open about the 70-pound weight gain that occurred during her pregnancy last year with son Jackson Phillip Deveraux, now 10 ½ months old. "I ate with no guilt!" the Without a Trace star tells PEOPLE. "I loved every second of gaining that weight. All that food made me so happy!"

Though giving in to cravings for avocados or Häagen-Dazs Dulce de Leche ice cream was fun, Poppy, 36, knew that she'd have to return to camera-ready form eventually. So three weeks after giving birth to Jackson, the actress signed up for meal-delivery service Sunfare, which restricted her diet to 1,200 calories per day. She exercised at home six days per week using the P90X total-body workout DVD program, and by this past September, she was back in her size 27 jeans. "All the hard work paid off," she shares. "It was hard, but worth it."

Jackson, whom Poppy describes as the "happiest baby ever" is the first child for the actress and her boyfriend, actor Adam Kaufman. Poppy's show, Without a Trace, airs Tuesday at 10 p.m. on CBS.