By DIONNE CLARKE Bending over backwards: Rihanna struck a sultry pose in a red bandage swimsuit for her pictorial in Vogue's 10th annual shape issue Rihanna shows that she is in the best shape of her life in a new pictorial for Vogue magazine for their 10th annual shape issue.And someone who is said to be appreciating that impressive form is Irish actor Colin Farrell, who had dinner with the