The former co-host of "The View" shows off her impressive weight loss.
O'Donnell recently admitted to undergoing gastric sleeve surgery in an attempt to shed about 80 lbs. She's well on her way according to the before and after comparison she shared with her fans. The star captioned her big reveal with "almost 50 lbs. off -- I can see it now."
With her toned neck and trim face, Rosie's makeover is impressive. It's helping the star stay healthy.
Rosie O'Donnell through the years
Rosie O'Donnell is down 50 lbs.
NEW YORK, NY - MAY 17: Rosie O'Donnell attends the 5th Annual Rosie's Theater Kids Spring Benefit at The Alvin Ailey Citigroup Theater on May 17, 2015 in New York City. (Photo by Paul Zimmerman/WireImage)
BENTONVILLE, AR - MAY 07: Rosie O'Donnell attends the 'League of their own' event at Arvest Park hosted by Geena Davis and Rosie O'Donnell at the Bentonville Film Festival on May 7, 2015 in Bentonville, Arkansas. (Photo by Ernesto Di Stefano Photography/WireImage)
NEW YORK, NY - MAY 03: Kate Mulgrew and Rosie O'Donnell attend 'An Evening with Kate Mulgrew', a reading and Q & A about her memoir 'Born with Teeth' at the Vineyard Theatre on May 3, 2015 in New York City. (Photo by Walter McBride/Getty Images)
NEW YORK, NY - FEBRUARY 09: (L-R) Liz McCartney, Rosie O'Donnell and Sarah Uriarte Berry attend the 'Taboo:Ten Years Later' reunion concert at 54 Below on February 9, 2014 in New York City. (Photo by Bruce Glikas/FilmMagic)
NEW YORK, NY - FEBRUARY 06: (L-R) Lena Hall, Rosie O'Donnell and Annaleigh Ashford pose backstage at the hit musical 'Kinky Boots' on Broadway at The Hirshfeld Theater on February 6, 2014 in New York City. (Photo by Bruce Glikas/FilmMagic)
NEW YORK, NY - JANUARY 31: Cyndi Lauper and Rosie O'Donnell attend 'Howard Stern's Birthday Bash' presented by SiriusXM, produced by Howard Stern Productions at Hammerstein Ballroom on January 31, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for SiriusXM)
THE VIEW - Rosie O'Donnell returns to THE VIEW to a standing ovation, FRIDAY, FEB. 7 (11:00 a.m. - 12:00 noon, ET) airing on the ABC Television Network. Never shy on opinions, the Emmy Award-winner joins the co-hosts for Hot Topics, shares how her life dramatically changed since leaving THE VIEW and makes a declaration that even she thought she would never say. The appearance marks the first time Rosie O'Donnell has returned to the talk show since moderating Season 10 (2006-2007). (Photo by Lou Rocco/ABC via Getty Images)
BARBARA WALTERS, ROSIE O'DONNELL
NEW YORK, NY - FEBRUARY 06: (L-R) Rosie O'Donnell, Billy Porter as 'Lola', Eric Stonestreet and Andy Kelso as 'Charlie' pose backstage at the hit musical 'Kinky Boots' on Broadway at The Hirshfeld Theater on February 6, 2014 in New York City. (Photo by Bruce Glikas/FilmMagic)
NEW YORK, NY - JANUARY 31: Rosie O'Donnell at SiriusXM's 'Howard Stern Birthday Bash' at Hammerstein Ballroom on January 31, 2014 in New York City. (Photo by Bobby Bank/WireImage)
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A year before her surgery, Rosie was hit with a heart attack when doctors discovered one of her arteries was 100 percent blocked. Luckily she made it through and is now an advocate for heart disease prevention in women.