Jonah Hill shows o​ff slimmed-down figure while heading to the gym ​-- See the pic!

Jonah Hill is slimming down for the summer.

The 33-year-old actor was spotted grabbing a smoothie at The Erewhon in Los Angeles on Friday before heading to his morning workout session.

RELATED: Noticeably Slimmer Jonah Hill Spotted Leaving the Gym in Los Angeles -- See the Pic!

Hill looked noticeably fit in a navy tank top that showed off his toned arms.

Los Angeles, CA  - *EXCLUSIVE*  - Jonah Hill shows off his slim frame as he stops by The Erewhon to pick up a smoothie before a morning workout session. Jonah has been working hard to slim down his normally heavy frame.  Pictured: Jonah Hill  BACKGRID USA 16 JUNE 2017   BYLINE MUST READ: CPR / BACKGRID  USA: +1 310 798 9111 /  UK: +44 208 344 2007 /  *UK Clients - Pictures Containing Children Please Pixelate Face Prior To Publication*

WATCH: Jonah Hill Trims Down, Shows Off Slimmer Physique with Girlfriend in Los Angeles

The 22 Jump Street star has been keeping up his slim physique since he was last spotted in March stepping out of the gym.

The actor's weight has fluctuated from role to role, dramatically slimming down for his role in the 2011 film Moneyball. He later regained it back and packed on the pounds, gaining 40 for 2016's War Dogs.

Last year, during an interview with Jimmy Fallon on The Tonight Show, Hill revealed ​that he asked his 21 Jump Street co-star, Channing Tatum, about​ how to slim down.

"I called Channing Tatum, and I was like, 'Hey, if I eat less, and go to a trainer, will I get in good shape?' And he's like, 'Yeah, you dumb motherf**ker, of course you will,'" Hill shared.

PHOTOS: A look at Jonah Hill through the years

Jonah Hill through the years
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Jonah Hill through the years
LOS ANGELES, CA - MAY 16: Jonah Hill is seen on May 16, 2017 in Los Angeles, California. (Photo by BG005/Bauer-Griffin/GC Images)
Archeological findings are pictured inside an underground tunnel in east Mosul on March 6, 2017. Two winged bulls dating from the Assyrians empire were found in a labyrinth of narrow underground tunnels dug by the Islamic State group in east Mosul. The impressive maze of tunnels dug by the jihadists to carry out archaeological excavations is located in the heart of the hill that houses the tomb of the Prophet Jonah (Nabi Younes). / AFP PHOTO / ARIS MESSINIS (Photo credit should read ARIS MESSINIS/AFP/Getty Images)
LOS ANGELES, CA - JANUARY 29: Actor Jonah Hill speaks onstage during the 23rd Annual Screen Actors Guild Awards at The Shrine Expo Hall on January 29, 2017 in Los Angeles, California. (Photo by Kevork Djansezian/WireImage)
BEVERLY HILLS, CA - JANUARY 08: Actor Jonah Hill attends the 74th Annual Golden Globe Awards at The Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - NOVEMBER 07: Jonah Hill is seen on November 07, 2016 in Los Angeles, California. (Photo by HIGHFIVE/Bauer-Griffin/GC Images)
LOS ANGELES, CA - DECEMBER 14: Actor Jonah Hill is seen on December 14, 2016 in Los Angeles, California. (Photo by SMXRF/Star Max/GC Images)
NEW YORK, NY - OCTOBER 08: Jonah Hill speaks at The New Yorker Festival 2016 - Jonah Hill talks with David Remnick at Acura at SIR Stage37 on October 8, 2016 in New York City. (Photo by Thos Robinson/Getty Images for The New Yorker)
BEVERLY HILLS, CA - NOVEMBER 06: Jonah Hill speaks onstage during the 20th Annual Hollywood Film Awards held at The Beverly Hilton Hotel on November 6, 2016 in Beverly Hills, California. (Photo by Michael Tran/FilmMagic)
LOS ANGELES, CA - NOVEMBER 11: Jonah Hill is seen on November 11, 2016 in Los Angeles, California. (Photo by BG012/Bauer-Griffin/GC Images)
Best actor in a supporting role nominee Jonah Hill arrives at the 86th Academy Awards nominees luncheon in Beverly Hills, California February 10, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT HEADSHOT)
Actor Jonah Hill arrives at the 19th annual Critics' Choice Movie Awards in Santa Monica, California January 16, 2014. REUTERS/Kevork Djansezian (UNITED STATES - Tags: ENTERTAINMENT) (CRITICSCHOICE-ARRIVALS)

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