Right on the heels of the news that she's pregnant with her fourth child, Tori Spelling has another important announcement: She's hosting the "My Little Pony" Royal Wedding. After serving as co-host for E!'s coverage of Prince William and Kate Middleton's British Royal Wedding last year, Spelling is reprising her role for the union of Princess Celestia’s niece, Princess Cadence, to Twilight Sparkle’s brother, Shining Armor, on the animated series "My Little Pony: Friendship Is Magic." As part of...