Matthew Morrison reacts to Mark Salling's death with heartbreaking tribute

Matthew Morrison reacted to fellow former "Glee" star Mark Salling's apparent suicide on Tuesday.

Morrison played Mr. Will Schuester on the Fox hit, while Salling played his student, Noah Puckerman.

SEE ALSO: Reports: Former 'Glee' star Mark Salling dead of apparent suicide

After news broke of Salling's death on Tuesday afternoon, which early reports indicate was a suicide by hanging, Morrison took to Instagram to pay his respects with a heartbreaking post that also reminded his followers that another former actor on "Glee," Cory Montieth, also lost his life at a young age. (Monteith died of a drug overdose in the summer of 2013 after years of struggling with addiction.)

The picture showed Morrison, Monteith and Salling in a picture from an old photo shoot. The caption? Two angel faces on either side of a sad emoji, to represent Morrison mourning the loss of yet another "Glee" cast member.

😇😔😇

A post shared by Matthew Morrison (@_matthew.morrison_) on

Morrison was the first major "Glee" star to react to the news.

Salling was 35 when he reportedly took his own life on Tuesday. He had pleaded guilty in October to possession of child pornography involving a prepubescent minor, was awaiting sentencing at the time of his reported death.

Not much else is known at this time.

See photos of Mark Salling:

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Mark Salling through his career
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Mark Salling through his career
GLEE: Puck (Mark Salling, L) tries to regain Finn's (Cory Monteith, R) friendship in 'Sectionals,' the fall finale episode of GLEE airing Wednesday, Dec. 9 (9:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
GLEE: Will (Matthew Morrison, R) introduces Puck (Mark Salling, L) and Matt (Dijon Talton, C) as the new members of McKinley High's Glee Club in the 'Preggers' episode of GLEE airing Wednesday, Sept. 23 (9:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
U.S. actor Mark Salling arrives at the Entertainment Tonight Emmy Party in Los Angeles, California, U.S. September 19, 2011. REUTERS/Jason Redmond/File Photo
GARDEN CITY, NY - NOVEMBER 02: (L-R) Actors Jenna Ushkowitz, Dianna Agron, Cory Monteith, Chris Colfer, Amber Riley, Lea Michele, Kevin McHale and Mark Salling promote 'Glee: The Musical Vol. 1' at the Roosevelt Field Mall on November 2, 2009 in Garden City, New York. (Photo by Steven A Henry/FilmMagic)
Actor Mark Salling from the television show 'Glee' arrives at the 2010 MTV Movie Awards in Los Angeles, June 6, 2010. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT)
GLEE: Quinn (Dianna Agron, L) and Puck (Mark Salling, R) work at the Glee Club's bake sale in the 'Wheels' episode of GLEE airing Wednesday, Nov. 11 (9:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
GLEE: Mark Salling as Puck on the sixth and final season of GLEE premiering with a special two-hour event Friday, Jan. 9, 2015 (8:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
HOLLYWOOD - SEPTEMBER 07: Actor Mark Salling arrives at the premiere of 20th Century Fox's 'Glee' Season 2 held at Paramount Studios on September 7, 2010 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
GLEE: Dianna Agron (L) and Mark Salling in the 'New Directions' episode of GLEE airing Tuesday, March 25, 2014 (9:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
HOLLYWOOD, CA - MARCH 13: Mark Salling attends The Paley Center for Media's 32nd annual PALEYFEST LA - 'Glee' at Dolby Theatre on March 13, 2015 in Hollywood, California.(Photo by JB Lacroix/WireImage)
LAS VEGAS, NV - DECEMBER 31: Actor Mark Salling arrives at the New Year's Eve celebration at The Act at The Palazzo on December 31, 2012 in Las Vegas, Nevada. (Photo by David Becker/WireImage)
HOLLYWOOD, CA - MARCH 13: Actos Chris Colfer, Amber Riley and Mark Salling on stage at The Paley Center For Media's 32nd Annual PALEYFEST LA - 'Glee' at Dolby Theatre on March 13, 2015 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 17: Mark Salling arrives at the Viper Room Re-Launch Party With X Ambassadors And Zen Freeman at Viper Room on November 17, 2015 in West Hollywood, California. (Photo by Gabriel Olsen/FilmMagic)
LOS ANGELES, CA - AUGUST 07: Actor Mark Salling attends the celebrity basketball game to kick off the 2015 Nike 3ON3 basketball tournament at L.A. LIVE on August 7, 2015 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
Cast member Mark Salling attends the the 100th episode celebration of GLEE in West Hollywood, California March 18, 2014. REUTERS/Phil McCarten (UNITED STATES - Tags: ENTERTAINMENT)
GLEE: (L-R) Chord Overstreet, Lea Michele and Mark Salling. McKinley High alumnae's perform in the second part of the special two-hour 'Loser Like Me/Homecoming' Season Premiere episode of GLEE on Friday, Jan. 9, 2015 (8:00-10:00 PM ET/PT) on FOX. (Photo by FOX via Getty Images)
HOLLYWOOD, CA - MARCH 13: Actors Mark Salling and Heather Morris on stage at The Paley Center For Media's 32nd Annual PALEYFEST LA - 'Glee' at Dolby Theatre on March 13, 2015 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - AUGUST 07: Actor Mark Salling attends the celebrity basketball game to kick off the 2015 Nike 3ON3 basketball tournament at L.A. LIVE on August 7, 2015 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CA - JUNE 03: Mark Salling arrives for a court appearance at United States Courthouse - Central District of California on June 3, 2016 in Los Angeles, California. Salling is turning himself in to federal authorities and is scheduled to be arraigned on two charges of child pornography. (Photo by Frederick M. Brown/Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 17: Mark Salling arrives at the Viper Room Re-Launch Party With X Ambassadors And Zen Freeman at Viper Room on November 17, 2015 in West Hollywood, California. (Photo by Gabriel Olsen/FilmMagic)
GLEE: Puck (Mark Salling, L) tries to get Quinn's (Dianna Agron, R) attention in 'Audition,' the season premiere episode of GLEE airing Tuesday, Sept. 21 (8:00-9:00 PM ET/PT) on FOX. A(Photo by FOX via Getty Images)
LOS ANGELES, CA - JUNE 03: Mark Salling arrives for a court appearance at United States Courthouse - Central District of California on June 3, 2016 in Los Angeles, California. Salling is turning himself in to federal authorities and is scheduled to be arraigned on two charges of child pornography. (Photo by Frederick M. Brown/Getty Images)
SANTA MONICA, CA - JUNE 17: Actor Mark Salling attends the Tinder Plus Launch Party featuring Jason Derulo and ZEDD at Hangar 8 Santa Monica at Barker Hangar on June 17, 2015 in Santa Monica, California. (Photo by Tommaso Boddi/Getty Images for Tinder)
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