Heidi Klum wishes boyfriend Vito Schnabel a happy 30th birthday with sweet Instagram posts

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Heidi Klum and Boyfriend Vito Schnabel Share Shocking Kiss at Wimbledon

Happy birthday to Vito Schnabel!

Heidi Klum's other half turned 30 on Wednesday, and the 43-year-old model couldn't help but celebrate with some adorable pics on Instagram.

WATCH: Heidi Klum and Boyfriend Vito Schnabel Share the Most Awkward Kiss Ever at Wimbledon

"Happy birthday my LOVE," she captioned a sweet black-and-white shot of herself and Schnabel smiling ear-to-ear.

Happy Birthday my LOVE ❤️

A post shared by Heidi Klum (@heidiklum) on

"You light up my life," she added moments later, along with an underwater snap of them snorkeling.

You light up my life 💕❤️💕❤️

A post shared by Heidi Klum (@heidiklum) on

WATCH: Heidi Klum, 42, Goes Topless for PDA-Filled Beach Day With Boyfriend Vito Schnabel in South of France

Klum and Schnabel first started dating in February 2014, and have been joined at the hip ever since.

The pair clearly have no problem proving their love with plenty of PDA, but don't think you'll be seeing these two walking down the aisle any time soon.

See photos of the couple:

25 PHOTOS
Heidi Klum and Vito Schnabel
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Heidi Klum and Vito Schnabel
BEVERLY HILLS, CA - FEBRUARY 28: Model Heidi Klum and Vito Schnabel arrive at the 2016 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 28, 2016 in Beverly Hills, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
US-German model Heidi Klum and her boyfriend Vito Schnabel pose as they arrive to the 2016 Vanity Fair Oscar Party in Beverly Hills, California on February 28, 2016. / AFP / ADRIAN SANCHEZ-GONZALEZ (Photo credit should read ADRIAN SANCHEZ-GONZALEZ/AFP/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 28: (EXCLUSIVE ACCESS, SPECIAL RATES APPLY) Heidi Klum and Vito Schnabel attend the 2016 Vanity Fair Oscar Party Hosted By Graydon Carter at the Wallis Annenberg Center for the Performing Arts on February 28, 2016 in Beverly Hills, California. (Photo by Kevin Mazur/VF16/WireImage)
BEVERLY HILLS, CA - FEBRUARY 28: (EXCLUSIVE ACCESS, SPECIAL RATES APPLY) Heidi Klum and Vito Schnabel attend the 2016 Vanity Fair Oscar Party Hosted By Graydon Carter at the Wallis Annenberg Center for the Performing Arts on February 28, 2016 in Beverly Hills, California. (Photo by Kevin Mazur/VF16/WireImage)
MILAN, ITALY - SEPTEMBER 26: Kenneth Cole, Heidi Klum and Vito Schnabel are seen at amfAR Milano 2015 at La Permanente on September 26, 2015 in Milan, Italy. (Photo by Victor Boyko/Getty Images for Harry Winston)
WEST HOLLYWOOD, CA - FEBRUARY 28: Vito Schnabel (L) and tv personality Heidi Klum attend the 24th Annual Elton John AIDS Foundation's Oscar Viewing Party at The City of West Hollywood Park on February 28, 2016 in West Hollywood, California. (Photo by Dimitrios Kambouris/Getty Images for EJAF)
MILAN, ITALY - SEPTEMBER 26: Vito Schnabel and Heidi Klum attend amfAR Milano 2015 at La Permanente on September 26, 2015 in Milan, Italy. (Photo by Jacopo Raule/Getty Images for amfAR)
MILAN, ITALY - SEPTEMBER 26: Heidi Klum and boyfriend Vito Schnabel are seen during Milan Fashion Week Spring/Summer 2016 on September 26, in Milan, Italy. (Photo by Robino Salvatore/GC Images)
MILAN, ITALY - SEPTEMBER 26: Heidi Klum and Vito Schnabel are seen at amfAR Milano 2015 at La Permanente on September 26, 2015 in Milan, Italy. (Photo by Jacopo Raule/Getty Images for amfAR)
LOS ANGELES, CA - SEPTEMBER 18: Heidi Klum and Vito Schnabel attend The Broad museum's inaugural celebration September 18, 2015, in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
NEW YORK - MAY 16: Heidi Klum and Vito Schnabel are seen leaving the ÃFirst Show/Last Show ' exhibition in Soho on MAY 16, 2015 in New York, New York. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
LOS ANGELES, CA - SEPTEMBER 18: Heidi Klum and Vito Schnabel attend The Broad Museum inaugural celebration at The Broad on September 18, 2015 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
NEW YORK, NY - MAY 07: Vito Schnabel and Heidi Klum are seen on May 7, 2015 in New York City. (Photo by Alo Ceballos/GC Images)
LOS ANGELES, CA - FEBRUARY 22: Heidi Klum and Vito Schnabel attend the 23rd Annual Elton John AIDS Foundation Academy Awards Viewing Party on February 22, 2015 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for EJAF)
LOS ANGELES, CA - FEBRUARY 22: Vito Schnabel and Heidi Klum attend the 23rd Annual Elton John AIDS Foundation Academy Awards Viewing Party on February 22, 2015 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for EJAF)
NEW YORK, NY - MAY 07: Vito Schnabel and Heidi Klum are seen on May 7, 2015 in New York City. (Photo by Alo Ceballos/GC Images)
NEW YORK, NY - FEBRUARY 11: Heidi Klum, Vito Schnabel and Karlie Kloss attend the 2015 amfAR New York Gala at Cipriani Wall Street on February 11, 2015 in New York City. (Photo by Kevin Tachman/Getty Images)
NEW YORK, NY - FEBRUARY 11: Heidi Klum (L) and Vito Schnabel attend the 2015 amfAR New York Gala at Cipriani Wall Street on February 11, 2015 in New York City. (Photo by Jamie McCarthy/WireImage)
CAP D'ANTIBES, FRANCE - MAY 22: Heidi Klum and Vito Schnabel attend amfAR's 21st Cinema Against AIDS Gala Presented By WORLDVIEW, BOLD FILMS, And BVLGARI at Hotel du Cap-Eden-Roc on May 22, 2014 in Cap d'Antibes, France. (Photo by Gisela Schober/German Select for Mercedes-Benz)
CAP D'ANTIBES, FRANCE - MAY 22: Heidi Klum and Vito Schnabel attend amfAR's 21st Cinema Against AIDS Gala Presented By WORLDVIEW, BOLD FILMS, And BVLGARI at Hotel du Cap-Eden-Roc on May 22, 2014 in Cap d'Antibes, France. (Photo by Gisela Schober/German Select for Mercedes-Benz)
CANNES, FRANCE - MAY 21: (ITALY-OUT) (L to R) Heidi Klum, Oscar Generale and Vito Schnabel attend the welcome party for Puerto Azul Experience Night at Villa St George on May 21, 2014 in Cannes, France. (Photo by David M. Benett/Getty Images for Puerto Azul)
CAP D'ANTIBES, FRANCE - MAY 22: Vito Schnabel (L) and Heidi Klum attend amfAR's 21st Cinema Against AIDS Gala presented by WORLDVIEW, BOLD FILMS, and BVLGARI at Hotel du Cap-Eden-Roc on May 22, 2014 in Cap d'Antibes, France. (Photo by Dave M. Benett/amfAR14/WireImage)
CANNES, FRANCE - MAY 21: (ITALY-OUT) (L to R) Heidi Klum, Vito Schnabel, Adrien Brody and Lara Lieto attend the welcome party for Puerto Azul Experience Night at Villa St George on May 21, 2014 in Cannes, France. (Photo by David M. Benett/Getty Images for Puerto Azul)
CANNES, FRANCE - MAY 21: Vito Schnabel and Heidi Klum attend the Roberto Cavalli yacht party at the 67th Annual Cannes Film Festival on May 21, 2014 in Cannes, France. (Photo by Luca Teuchmann/Getty Images)
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ET caught up with the Project Runway host last September, where she insisted another marriage just isn't in her future.

"I won't get married again," she said. "People always write all these crazy things, but it's not all true. Don't always believe what you read in the paper!"

Still, Klum confessed that she's "very much in love" with Schnabel -- telling us in February that her Valentine's Day plans included a lot of "staying in bed."

WATCH: Heidi Klum and Boyfriend Vito Schnabel Pack on the PDA During Romantic Caribbean Getaway -- See the Pics!

See more in the video below.

Heidi Klum Plans to 'Stay in Bed All Day' on Valentine's Day


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