MadonnaMadonnaMadonna has always pumped iron.

But this new pic reveals the 50-year-old pop queen may want to rethink her gym routine.

She's showing off some shockingly veiny arms as she nips out for dinner in London.

It looks like the Material Girl's Sticky And Sweet tour has pushed the star to a whole new level of fitness.

Give us bingo wings any day.

See the full extent of Madge's stupefying arm-age and some of the most shocking celeb snaps in our gallery below...