Lady Gaga insists music exec told her Dr. Luke raped Katy Perry in heated deposition

Though Katy Perry vehemently denied Dr. Luke ever raped her, Lady Gaga insisted a music executive told her the producer did in fact sexually assault the “Roar” singer, RadarOnline.com can exclusively report.

In an unsealed 2017 deposition as part of Dr. Luke’s defamation case against Kesha, the Oscar nominee — legally known as Stefani Germanotta — claimed Interscope CEO John Janick made the accusation as part of a conversation about bringing Kesha over to the music label.

“He said, ‘So you know that Dr. Luke raped Katy Perry, too?'” Gaga recalled in court, adding that Kesha was also present for the discussion.

An attorney went on to say Janick testified under oath that he never said that.

“It doesn’t surprise me,” Gaga answered.

The singer’s deposition in the case went on to become very heated. As The Blast first revealed, Gaga — a self-proclaimed sex abuse survivor — slammed one of Dr. Luke’s female lawyers questioning her about possible false rape accusations in relation to Kesha’s longtime claims Dr. Luke sexually assaulted her.

RELATED: See Kesha through the years

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Kesha through the years
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Kesha through the years
NEW YORK - JANUARY 13: Singer Ke$ha visits 'Late Night With Jimmy Fallon' taping at the NBC Rockafeller Center Studios on January 13, 2010 in New York City. (Photo by Ray Tamarra/Getty Images)
CANNES, FRANCE - JANUARY 23: Ke$ha attends the 11th NRJ Music Awards at Palais des Festivals on January 23, 2010 in Cannes, France. (Photo by Christian Alminana/FilmMagic)
NEW YORK - JANUARY 14: Singer Ke$ha enters her Midtown Manhattan hotel on January 14, 2010 in New York City. (Photo by Ray Tamarra/Getty Images)
Singer Ke$ha attends the H&M Artist Gift Lounge at Z100s Jingle Ball at Madison Square Garden on December 11, 2009 in New York City. (Photo by Amy Sussman/WireImage)
Singer Ke$ha attends the Z100s Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK - DECEMBER 11: Singer Ke$ha attends the Z100's Jingle Ball 2009 - Official H&M Artist Gift Lounge Produced by On 3 Productions at Madison Square Garden on December 11, 2009 in New York City. (Photo by Mark Von Holden/WireImage for On 3 Productions)
Musician Ke$ha arrives at the 28th Annual ASCAP Pop Music Awards in Los Angeles, Wednesday, April 27, 2011. The ASCAP awards honor songwriters and publishers of the most performed songs of 2010. (AP Photo/Matt Sayles)
Ke$ha arrives at the 38th Annual American Music Awards on Sunday, Nov. 21, 2010 in Los Angeles. (AP Photo/Chris Pizzello)
Singer Kesha arrives at the Rolling Stone Magazine American Music Awards Party in Los Angeles on Sunday, Nov. 21, 2010. (AP Photo/Dan Steinberg)
Ke$ha poses with her award for Best New Act in the winners area at the MTV European Music Awards 2010, in Madrid, Sunday, Nov. 7, 2010.(AP Photo/Dave Fisher)
Ke$ha arrives for the MTV European Music Awards 2010, in Madrid, Sunday, Nov. 7, 2010. (AP Photo/Dave Fisher)
U.S. singer Ke$ha performs at the Wireless Festival in Hyde Park, London, Saturday, July 2, 2011. (AP Photo/Jonathan Short)
Singer Ke$ha attends amfAR New York's 'Inspiration Gala' celebrating Men's Style at the Museum of Modern Art on Tuesday, June 14, 2011 in New York. (AP Photo/Evan Agostini)
Singer Ke$ha arrives at the 2011 Billboard Music Awards in Las Vegas on Sunday, May 22, 2011. (AP Photo/Dan Steinberg)
Singer Ke$ha arrives at KIIS FM's Wango Tango in Los Angeles on Saturday, May 14, 2011. (AP Photo/Dan Steinberg)
Ke$ha attends the The Power 96.1 Jingle Ball 2012 at Philips Arena on Wednesday, Dec. 12, 2012, in Atlanta. (Photo by Robb Cohen/Robbs Photos/Invision/AP)
Ke$ha performs during the second night of KIIS FM's Jingle Ball at Nokia Theatre LA Live on Monday, Dec. 3, 2012, in Los Angeles. (Photo by Chris Pizzello/Invision/AP)
Ke$ha performs on NBC's "Today" show on Tuesday, Nov. 20, 2012 in New York. (Photo by Charles Sykes/Invision/AP)
FILE - In this Sept. 21, 2013 photo, Ke$ha arrives at the iHeartRadio Music Festival, at the MGM Grand Garden Arena in Las Vegas. Ke$ha has checked into rehab to treat an eating disorder. The "Tik Tok" singer says in a statement provided by her spokesman Friday, Jan. 3, 2014 that she'll be unavailable for the next 30 days while she seeks treatment for an undisclosed eating disorder. (Photo by Eric Jamison/Invision/AP Images, File)
FILE - This Nov. 24, 2013 file photo shows musician Ke$ha at the American Music Awards at the Nokia Theatre L.A. Live in Los Angeles. Ke$ha's representative confirmed Friday, March 7, 2014, that the singer checked out of rehab. She entered in January. The 26-year-old vegetarian said she entered rehab to "learn to love myself again, exactly as I am." Ke$ha, whose real name is Kesha Rose Sebert, is the performer of such tunes as "Crazy Love," ''Die Young" and "Timber" with Pitbull. (Photo by Jordan Strauss/Invision/AP, File)
Kesha arrives at the MTV Video Music Awards at The Forum on Sunday, Aug. 24, 2014, in Inglewood, Calif. (Photo by Matt Sayles/Invision/AP)
LAS VEGAS, NV - July 5: ***HOUSE COVERAGE*** Kesha performs at Rehab pool party at Hard Rock Hotel & Casino Las Vegas, NV on July 5, 2015. Credit: Erik Kabik Photography/ MediaPunch/IPX
Kesha attends the 11th Annual Billboard Women in Music honors at Pier 36 on Friday, Dec. 9, 2016, in New York. Billboard Women in Music 2016 will air Dec. 12 on Lifetime. (Photo by Evan Agostini/Invision/AP)
Kesha poses for photographers backstage during Q102's iHeartRadio Jingle Ball 2017 at the Wells Fargo Center on Wednesday, Dec. 6, 2017, in Philadelphia. (Photo by Owen Sweeney/Invision/AP)
Kesha arrives at Jingle Ball at The Forum on Friday, Dec. 1, 2017, in Inglewood, Calif. (Photo by Richard Shotwell/Invision/AP)
Kesha arrives at The Hollywood Reporter's Women in Entertainment Breakfast at Milk Studios on Wednesday, Dec. 5, 2018, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Kesha arrives at the Governors Awards on Sunday, Nov. 18, 2018, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
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“I have factual knowledge of her depression. I have factual knowledge of her need for support and love. I have factual knowledge of the spiral that I watched that girl go down. I have factual knowledge of trauma. I am informed and intelligent about this issue. That girl has experienced serious trauma and she is in the middle of the right now. And you are all a party to it,” she fumed.

“Why on earth would this girl tell the entire world this happened? Why on earth? Do you know what it’s like for survivors? Do you know what it’s like to tell people? Don’t you roll your eyes at me. You should be ashamed of yourself.”

As Radar first reported, Gaga called Perry “not as strong” as Kesha and “mean” in text messages previously presented in court.

“U are really strong standing up to him, she’s not as strong as u yet,” Gaga assured Kesha.

Kesha and Dr. Luke’s legal battle has been raging since 2014, when Kesha first sued him for sexual assault. Though that lawsuit was dismissed, Dr. Luke soon countersued her, and the case is ongoing.

He has long maintained he never assaulted or abused her in any way.

13 PHOTOS
Lady Gaga at the 2019 SAG Awards
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Lady Gaga at the 2019 SAG Awards
Outstanding Performance by a Female Actor in a Leading Role for 'A Star is Born' nominee Lady Gaga arrives for the 25th Annual Screen Actors Guild Awards at the Shrine Auditorium in Los Angeles on January 27, 2019. (Photo by Mark RALSTON / AFP) (Photo credit should read MARK RALSTON/AFP/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. 480595 (Photo by Dimitrios Kambouris/Getty Images for Turner)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
LOS ANGELES, CA - JANUARY 27: Lady Gaga attends the 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
Outstanding Performance by a Female Actor in a Leading Role for 'A Star is Born' nominee Lady Gaga arrives for the 25th Annual Screen Actors Guild Awards at the Shrine Auditorium in Los Angeles on January 27, 2019. (Photo by Mark RALSTON / AFP) (Photo credit should read MARK RALSTON/AFP/Getty Images)
LOS ANGELES, CALIFORNIA - JANUARY 27: Lady Gaga (L) and Ricky Martin attendsthe 25th Annual Screen Actors Guild Awards at The Shrine Auditorium on January 27, 2019 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic)
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