PASADENA, Calif.–There were many ways to celebrate Toronto-native Nina Dobrev’s 21st birthday Saturday at The CW’s afternoon press tour session for The Vampire Diaries. You could enjoy a Vampire Diaries “Love Sucks” mint. You could apply some “VPF 1,000 Sunscream.” You could clean your teeth with some “Fang Floss.”All were up for grabs at the