The "American Idol" alum flashed a peace sign as she posed with her Brest Friend on Friday, April 16. The new mother, who gave birth to son Rennie in late February, looked super-fit in tight yoga pants by Alo Yoga and a white sports bra. McPhee appeared to pose for the pic in the backyard of the lavish home she shares with her hubby, David Foster. Many of her celeb mom friends were thrilled by her relatable mommy pic! See it below!