October 31, 2014 4:14 am Seth Meyers Shares Tips on Halloween Costumes Do's and Don'ts Seth Meyers shares some tips to help you pick the right costume for Halloween, and one costume that is “very important” to never do. 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