Los Angeles June 21, 2016 2:49 am ‘Tonight Show': Know It All With Blake Lively Jimmy Fallon and Blake Lively face off in a game of knowledge and deception to see who can name more things in different categories before time runs out. 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