Walking through airports keeps Rihanna fit

London: Singer Rihanna says that walking through airports helps her maintain svelte and toned figure.

Rihanna keeps her svelte physique toned and trim by "walking for miles" through airports while she is jetting between performances all over the world.

"I keep fit by walking through so many airports. You end up walking for miles in those places!," femalefirst.co.uk quoted the 23-year-old as saying.