Mick Jagger pokes fun at O2 stars before this week 's reunion tour begins . Surviving members are performing together live for the first time since week . BBC members say they will perform all of the best-known sketches at the Monty Python .
Mick Jagger pokes fun at Monty Python stars before this week 's reunion tour begins . Surviving members are performing together live for the first time since 1980 . Python members say they will perform all of the best-known sketches at the O2 .