• In teaser clips for the hour-long interview, Morgan shows Ronaldo never-before-seen footage of his late alcoholic father speaking proudly to press about his son's achievements.
  • Ronaldo is seen wiping away tears, saying: "I never saw the video. Sorry."
  • Elsewhere in the interview, he opens up about his relationship with girlfriend Georgina Rodriguez.
  • He also speaks about feeling "embarrassed" in front of his family after he was accused of raping Kathryn Mayorga in a Las Vegas hotel in 2009, an allegation he has repeatedly denied.
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Cristiano Ronaldo has shown fans his vulnerable side in an emotional interview with Piers Morgan.

Promo clips for the interview, which were shared by the Good Morning Britain Twitter account , show the Portuguese soccer star breaking down after being shown a video of his late father.

Jose Dinis Aveiro was an alcoholic who died of liver failure at 52, when Ronaldo was just 20, according to a Good Morning Britain promo for the segment.

In the interview, Morgan shows Ronaldo recently uncovered footage from 2004 of Aveiro talking proudly to Norwegian press about Ronaldo's achievements, just a year before he died.

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One teaser clip opens with Morgan saying: "This is very emotional for you."

Wiping away tears, the Juventus star replies: "I never saw the video. Sorry."

ronaldo tears
ronaldo tears

"What's the sadness for you?" Morgan asks.

"To be the number one and he don't see nothing, he doesn't see me receive awards."

"He never saw how great you became," Morgan adds.

"No," Ronaldo says. "Never. My family see, my mum, my brothers, even my old son, but my father, he didn't see nothing."

According to Metro , Ronaldo adds: "I think the interview would be funny, but I didn't expect to cry. But I never saw these images. I don't know where you ... I have to have these images to show my family.

"But I really don't know my father 100%. He was a drunk person. I never spoke with him, like a normal conversation. It was hard."

Elsewhere in the interview, Ronaldo opens up about life with his girlfriend Georgina Rodriguez, who he met in a Gucci store.

"Gio is part of me, she helped me so much," he says. "I'm in love for her, and I'm so passion for her. It's great, she's my friend. We had conversations, I opened the heart for her, she opened the heart for me."

"The greatest love of your life," Morgan suggests.

"Exactly, this is what I want to say," Ronaldo responds.

He also discusses feeling "embarrassed" after he was accused of raping Kathryn Mayorga in a Las Vegas hotel in 2009, an allegation he has repeatedly denied.

"They play with your dignity," he says. "It's hard. You have a girlfriend, you have a family, you have kids. When they play with your honesty, it's bad, it's hard."

"I remember one day I was at home in the living room with my girlfriend zapping the television to see the news and they speak about 'Cristiano Ronaldo this and that,' you listen to your kids coming down the stairs and you change the channel because I was embarrassed," he says. "I feel embarrassed. I just changed the channel [so] Cristiano Jr. [wouldn't] see that they speak bad about his father about a very bad case.

"It makes me feel so bad, Piers, to be honest."

"Cristiano Ronaldo Meets Piers Morgan" will air on ITV at 9 p.m. on Tuesday.

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The Cristiano Ronaldo rape allegations started with a chance meeting at a Las Vegas nightclub

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