SPECIAL GUEST First Lady Michelle Obama greets Navy veteran Barbara Marshall on the set of "Extreme Makeover: Home Edition" in Fayetteville, N.C., July 21, 2011. Obama appeared on the ABC reality show to thank Marshall for her work to support homeless female veterans. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 022606-I-HLB51-099.jpg Photo Gallery