Nick Jonas shares sweaty flashback pic of his 'first crush' Miley Cyrus

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Nick Jonas Breaks Silence On Miley Cyrus Rendezvous

Pop stars grow up so fast.

Nick Jonas participated in Throwback Thursday by sharing an adorable pic of himself with ex-girlfriend, Miley Cyrus, back when she was Hannah Montana and he was in his siblings' boy band.

"When you're 13... hanging with your first crush and you're trying to play it cool," Nick, 23, Instagrammed. Calling out his sweaty T-shirt in the pic, he added the hashtag "#wheresmydeodorant."

#tbt When you're 13... hanging with your first crush and you're trying to play it cool. #wheresmydeodorant

A photo posted by Nick Jonas (@nickjonas) on

Nick and Miley, 22, dated from 2006 to 2008 and have clearly remained friends. He's also stayed pals with his brother Joe's ex-girlfriend, Demi Lovato. In fact, the two are going on tour together next summer and have started their own record label.

Click through to see Nick Jonas through the years:

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Nick Jonas shares sweaty flashback pic of his 'first crush' Miley Cyrus
LOS ANGELES, CA - OCTOBER 23: Musician Nick Jonas performs onstage at the Wiltern Theatre on October 23, 2015 in Los Angeles, California. (Photo by Amanda Edwards/WireImage)
Nick Jonas performs at BLI Summer Jam 2015 at Nikon at Jones Beach Theater on Saturday, June 13, 2015, in New York. (Photo by Greg Allen/Invision/AP)
ATLANTIC CITY, NJ - SEPTEMBER 13: Nick Jonas attends the 2016 Miss America Competition at Boardwalk Hall Arena on September 13, 2015 in Atlantic City, New Jersey. (Photo by Michael Loccisano/Getty Images for dcp)
Nick Jonas, left, and Big Sean present the award for female video of the year at the MTV Video Music Awards at the Microsoft Theater on Sunday, Aug. 30, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
IMAGE DISTRIBUTED FOR STAPLES - Multi-talented recording artist, actor and Think It Up Ambassador Nick Jonas helps to raise awareness of the need to support learning projects in classrooms across the country with support from Staples for Students, on Wednesday, July 15, 2015 in Los Angeles. (Photo by Colin Young-Wolff/Invision for Staples/AP Images)
IMAGE DISTRIBUTED FOR STAPLES - Nick Jonas teams with Staples to announce support for Think It Up, a program launched by The Entertainment Industry Foundation to inspire students to pursue their passions through student-powered, teacher-led learning projects, with support from Staples for Students, on Wednesday, July 15, 2015 in Los Angeles. (Photo by Colin Young-Wolff/Invision for Staples/AP Images)
Jennifer Lopez, from left, Nick Jonas and Kiesza introduce a performance at the 69th annual Tony Awards at Radio City Music Hall on Sunday, June 7, 2015, in New York. (Photo by Charles Sykes/Invision/AP)
Nick Jonas arrives at the 69th annual Tony Awards at Radio City Music Hall on Sunday, June 7, 2015, in New York. (Photo by Evan Agostini/Invision/AP)
Olivia Culpo, left, and Nick Jonas arrive at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Eric Jamison/Invision/AP)
LAS VEGAS, NV - MAY 17: Recording artist/actor Nick Jonas performs during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Nick Jonas performs at iHeartRadio Summer Pool Party at Caesars Palace on Saturday, May 30, 2015 in Las Vegas, NV. (Photo by Carlos Larios/Invision/AP)
LOS ANGELES, CA - MAY 09: Singer Nick Jonas performs onstage during 102.7 KIIS FM's 2015 Wango Tango at StubHub Center on May 9, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images For 102.7 KIIS FM's Wango Tango)
BEVERLY HILLS, CA - JUNE 18: Singer Nick Jonas attends the Greater Los Angeles Chapter Of The American Diabetes Association's Father of the Year Awards at The Beverly Hilton Hotel on June 18, 2015 in Beverly Hills, California. (Photo by Alberto E. Rodriguez/Getty Images)
LONDON, ENGLAND - APRIL 10: Nick Jonas performs during a surprise visit at Westfield London on April 10, 2015 in London, England. (Photo by Ben A. Pruchnie/Getty Images)
Nick Jonas poses for photographers backstage during the Q102 Jingle Ball at the Wells Fargo Center on Wednesday, Dec. 10, 2014, in Philadelphia. (Photo by Owen Sweeney/Invision/AP)
Nick Jonas speaks at the KIIS FM's Jingle Ball at the Staples Center on Friday, Dec. 5, 2014, in Los Angeles. (Photo by John Shearer/Invision/AP)
Recording artist/actor Nick Jonas poses for a portrait on Wednesday, Oct. 29, 2014, in Los Angeles. (Photo by Chris Pizzello/Invision/AP)
Nick Jonas arrives at Vanity Fair's Fiat Young Hollywood Party on Tuesday, Feb, 25, 2014 in Los Angeles. (Photo by Richard Shotwell/Invision/AP)
Nick Jonas is seen at Live at Much With Jonas Brothers at the MuchMusic Headquarters on Wednesday, July 17, 2013, in Toronto, Canada. (Photo by Arthur Mola/Invision/AP)
Nick Jonas of the Jonas Brothers performs at the FirstMerit Bank Pavilion of Northerly Island on Wednesday, July 10, 2013 in Chicago. (Photo by Barry Brecheisen/Invision/AP)
THE VOICE -- 'Live Show' Episode 716A -- Pictured: (l-r) Nick Jonas, Matt McAndrew, DaNica Shirey, Luke Wade -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
FILE - This April 9 , 2013 file photo shows singer Nick Jonas, posing for a portrait in New York. Jonas will join TV personality Giuliana Rancic as co-hosts for the Miss USA pageant on June 16. (Photo by Dan Hallman/Invision/AP, file)
NEW YORK, NY - NOVEMBER 24: Singer Nick Jonas attends the 88th Annual Macy's Thanksgiving Day Parade Rehearsals - Day 1 on November 24, 2014 in New York City. (Photo by Michael Stewart/Getty Images)
THE VOICE -- 'Live Show' Episode 716A -- Pictured: Nick Jonas -- (Photo by: Tyler Golden/NBC/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - NOVEMBER 23: Nick Jonas arrives at the 2014 American Music Awards - Arrivals at Nokia Theatre L.A. Live on November 23, 2014 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
THE VOICE -- 'Live Show' Episode 716A -- Pictured: (l-r) Ryan Sill, Chris Jamison, Nick Jonas, Damien Lawson, Matt McAndrew, DaNica Shirey -- (Photo by: Tyler Golden/NBC/NBCU Photo Bank via Getty Images)
THE VOICE -- 'Live Show' Episode 716A -- Pictured: (l-r) Craig Wayne Boyd, Taylor John Williams, Ryan Sill, Chris Jamison, Nick Jonas, Damien Lawson, Matt McAndrew, DaNica Shirey, Luke Wade -- (Photo by: Tyler Golden/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - NOVEMBER 27: Singer Nick Jonas performs during the 88th Annual Macy's Thanksgiving Day Parade on November 27, 2014 in New York City. (Photo by Michael Stewart/Getty Images)
THE TONIGHT SHOW STARRING JIMMY FALLON -- Episode 0171 -- Pictured: Singer Nick Jonas on November 26, 2014 -- (Photo by: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images)
NEW YORK NY - NOVEMBER 26: Nick Jonas sighting on November 26, 2014 in New York City. (Photo by Josiah Kamau/BuzzFoto/FilmMagic)
Nick Jonas poses for a portrait in his dressing room before a performance of Broadway's "How to Succeed in Business Without Really Trying", in New York, Wednesday, Feb. 22, 2012. (AP Photo/Charles Sykes)
NEW YORK, NY - NOVEMBER 27: Singer Nick Jonas performs during the 88th Annual Macy's Thanksgiving Day Parade on November 27, 2014 in New York City. (Photo by Michael Stewart/Getty Images)
Nick Jonas attends a news conference to announce he will join the cast of Broadwayâs "How to Succeed in Business Without Really Trying", in New York, Wednesday, Sept. 7, 2011. (AP Photo/Charles Sykes)
Nick Jonas & the Administration perform âWho I Amâ at the Grammy Nominations Concert on Wednesday, Dec. 2, 2009, in Los Angeles. (AP Photo/Chris Pizzello)
Musician Nick Jonas speaks at a press conference announcing their cross country suprise theatre invasion for their new movie "Jonas Brother's: 3D Concert Experience", in Westchester, New York, on Saturday, Feb. 28, 2009. (AP Photo/Peter Kramer)
The Jonas Brother from left, Joe Jonas, Nick Jonas and Kevin Jonas attend the Huffington Post Pre-Inaugural Ball at the Newseum on Monday, Jan. 19, 2009 in Washington. (AP Photo/Evan Agostini)
Musician Nick Jonas from The Jonas Brothers band during an appearance on MTV's Total Request Live on Monday, Aug. 11, 2008 in New York. (AP Photo/Evan Agostini)
The Jonas Brothers, from left, Joe Jonas, Nick Jonas and Kevin Jonas pose backstage after co-hosting MTV's "Total Request Live" on Monday, Aug. 11, 2008 in New York. (AP Photo/Evan Agostini)
FILE - This Nov. 13, 2007 file photo shows Joe Jonas, left, Nick Jonas and Kevin Jonas, right, of the music group The Jonas Brothers at MTV Studios in Times Square in New York. The band announced Tuesday, Oct. 19, 2013, they're ending their highly successful run. The news comes after the brothers abruptly canceled their tour over creative differences earlier this month. (AP Photo/Peter Kramer, File)
Nick Jonas of the Jonas Brothers performs at 102.7 KIIS-FM's Wango Tango concert Saturday, May 10, 2008, in Irvine, Calif. (AP Photo/Gus Ruelas)
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