You may wear your heart on your sleeve, but your pet will be wearing hearts on its neck with this "Millions of Little Hearts" fashion collar from Elmo's Closet. The collar features several love-themed designs, including "Heart Balloons," "Ribbons of Love," and "Midnight Love." The collars cost between $13 to $16 and are available at elmoscloset.com (Elmo's Closet)