Colbie Caillat Sings ‘Smelly Cat,’ ‘Try’ at ‘Friends’ Central Perk Pop-Up Shop! [VIDEO]Colbie Caillat Sings ‘Smelly Cat,’ ‘Try’ at ‘Friends’ Central Perk Pop-Up Shop! [VIDEO]Colbie Caillat surprised 'Friends' fans at the Central Perk coffee pop-up shop in New York City by singing 'Smelly Cat'!Thomas ChauThomas Chau