Britney Spears is back to her toned best in Moscow as vigorous Femme Fatale routines finally pay off

From flab to fab: Britney is back to her toned best in Moscow as vigorous Femme Fatale routines finally pay off

1:06 PM on 25th September 2011

Good as gold: Britney was back to her toned best for a stunning performance in Moscow tonight

Good as gold: Britney was back to her toned best for a stunning performance in Moscow tonight

What a Tsar!: Britney looked positively regal in gold and surrounded by her minions

What a Tsar!: Britney looked positively regal in gold and surrounded by her minions

Then: Britney performing the same routine at the beginning of the tour in June

Then: Britney performing the same routine at the beginning of the tour in June

Packing a paunch: Britney hadn

Packing a paunch: Britney hadn”t looked concert ready when the tour kicked off

Spot of bovver: Britney accessorised her pink corset with clunky boots

Spot of bovver: Britney accessorised her pink corset with clunky boots

Legs Eleven: Britney is back in top form after beginning her tour looking flabby

Legs Eleven: Britney is back in top form after beginning her tour looking flabby