Tori Spelling and ex-love Vincent Young, her “90210” co-star, got together at pricey Ivy for a friendly dinner after their bust-up earlier this year — and when the bill came, she waited for him to pay it, like old times! “Let’s split it,” said Vince. Tori’s expression was priceless. “What? You’re not buying me dinner?” Vince explained that they’re not dating — and pals go Dutch! Stunned, Tori reached for her credit card and coughed up her half!