• Slideshow Photos

    Image: Olivia Ward

    'Biggest Loser 11' before and after

    See the amazing transformations and pounds shed by the contestants.

  • Image: Olivia Ward

    'Biggest Loser 11' before and after

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    Olivia Ward -

    Starting weight: 261 lbs.
    Finale weight: 132 lbs.
    Lost: 129 lbs., 49.43 percent

    This season's "Biggest Loser" and winner of the $250,000 grand prize is 35-year-old opera singer Olivia.

    NBC / NBC
  • Image: Hannah Curlee

    'Biggest Loser 11' before and after

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    Hannah Curlee -

    Starting weight: 248 lbs.
    Finale weight: 128 lbs.
    Lost: 120 lbs., 48.39 percent

    Olivia's sister and teammate Hannah placed second.

    NBC / NBC
  • Image: Irene Alvarado

    'Biggest Loser 11' before and after

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    Irene Alvarado -

    Starting weight: 255 lbs.
    Finale weight: 139 lbs.
    Lost: 116 lbs., 45.49 percent

    Portland, Ore., student Irene came in third place. America voted for the 27-year-old to continue in the competition over Jay.

    NBC / NBC
  • Image: Denise Hill

    'Biggest Loser 11' before and after

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    Denise Hill -

    Starting weight: 256 lbs.
    Finale weight: 131 lbs.
    Lost: 125 lbs., 48.83 percent

    The 59-year-old mother of eight was season 11's at-home winner. She was eliminated from the game on Feb. 22.

    NBC / NBC
  • Image: Justin Pope

    'Biggest Loser 11' before and after

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    Justin Pope -

    Starting weight: 365 lbs.
    Finale weight: 192 lbs.
    Lost: 173 lbs., 47.4 percent

    NBC / NBC
  • Image: Jay Jacobs

    'Biggest Loser 11' before and after

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    Jay Jacobs -

    Starting weight: 400 lbs.
    Finale weight: 219 lbs.
    Lost: 181 lbs., 45.25 percent

    NBC / NBC
  • Image: Austin Andrews

    'Biggest Loser 11' before and after

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    Austin Andrews -

    Starting weight: 396 lbs.
    Finale weight: 222 lbs.
    Lost: 174 lbs., 43.94 percent

    NBC / NBC
  • Image: Dan Evans

    'Biggest Loser 11' before and after

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    Dan Evans -

    Starting weight: 287 lbs.
    Finale weight: 163 lbs.
    Lost: 124 lbs., 43.21 percent

    NBC / NBC
  • Image: Ana Alvarado

    'Biggest Loser 11' before and after

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    Ana Alvarado -

    Starting weight: 255 lbs.
    Finale weight: 146 lbs.
    Lost: 109 lbs., 42.75 percent

    NBC / NBC
  • Image: Don Evans

    'Biggest Loser 11' before and after

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    Don Evans -

    Starting weight: 309 lbs.
    Finale weight: 179 lbs.
    Lost: 130 lbs., 42.07 percent

    NBC / NBC
  • Image: Ken Andrews

    'Biggest Loser 11' before and after

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    Ken Andrews -

    Starting weight: 377 lbs.
    Finale weight: 219 lbs.
    Lost: 158 lbs., 41.91 percent

    NBC / NBC
  • Image: Jennifer Jacobs

    'Biggest Loser 11' before and after

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    Jennifer Jacobs -

    Starting weight: 278 lbs.
    Finale weight: 164 lbs.
    Lost: 114 lbs., 41.01 percent

    NBC / NBC
  • Image: Sarah Nitta

    'Biggest Loser 11' before and after

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    Sarah Nitta -

    Starting weight: 261 lbs.
    Finale weight: 155 lbs.
    Lost: 106 lbs., 40.61 percent

    NBC / NBC
  • Image: Marci Crozier

    'Biggest Loser 11' before and after

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    Marci Crozier -

    Starting weight: 238 lbs.
    Finale weight: 152 lbs.
    Lost: 86 lbs., 36.13 percent

    NBC / NBC
  • Image: Moses Kinikini

    'Biggest Loser 11' before and after

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    Moses Kinikini -

    Starting weight: 440 lbs.
    Finale weight: 287 lbs.
    Lost: 153 lbs., 34.77 percent

    NBC / NBC
  • Image: Courtney Crozier

    'Biggest Loser 11' before and after

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    Courtney Crozier -

    Starting weight: 323 lbs.
    Finale weight: 213 lbs.
    Lost: 110 lbs., 34.06 percent

    NBC / NBC
  • Image: Arthur Wornum

    'Biggest Loser 11' before and after

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    Arthur Wornum -

    Starting weight: 507 lbs.
    Finale weight: 344 lbs.
    Lost: 163 lbs., 32.15 percent

    NBC / NBC
  • Image: Jesse Wornum

    'Biggest Loser 11' before and after

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    Jesse Wornum -

    Starting weight: 293 lbs.
    Finale weight: 210 lbs.
    Lost: 83 lbs., 28.33 percent

    NBC / NBC
  • Image: Larialmy Allen

    'Biggest Loser 11' before and after

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    Larialmy Allen -

    Starting weight: 301 lbs.
    Finale weight: 217 lbs.
    Lost: 84 lbs., 27.91 percent

    NBC / NBC
  • Image: Kaylee Kinikini

    'Biggest Loser 11' before and after

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    Kaylee Kinikini -

    Starting weight: 233 lbs.
    Finale weight: 179 lbs.
    Lost: 54 lbs., 23.18 percent

    NBC / NBC
  • Image: Joquin Allen

    'Biggest Loser 11' before and after

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    Joquin Allen -

    Starting weight: 437 lbs.
    Finale weight: 344 lbs.
    Lost: 93 lbs., 21.28 percent

    NBC / NBC