Cast Of Avengers Assemble Hit London For UK Premiere!
Scar-Jo reveals she went on a diet in order to fit into her Black Widow catsuit...
Scarlett JohanssonandRobert Downey Jr. hit Vue Westfield in West London for the UK premiere of Chris Hemsworthand Jeremy Renner.
At the event, Johansson admitted that she had to go on a diet in order to squeeze her shapely figure into her black leather catsuit to portray Russian spy Natasha Romanoff's superhero alter-ego Black Widow.
