September 26, 2012 11:04 am This Week on Open House: We're at Home with Christian Siriano We’re going inside fashion designer Christian Siriano’s Chelsea pad this weekend. Watch Open House Sundays on NBC. Check your local listings. US & World Videos 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:36 O.J. Simpson's cause of death revealed 25:57 WATCH: ‘Changing Climate' highlights the Philly-area residents who are combatting climate change 2:36 Super dad makes Mario-themed obstacle course for son's birthday 4:17 How the Philadelphia Union became the sustainability champs of the MLS
