Shawn Mendes admits he was too nervous to meet Meghan Markle and Prince Harry (Exclusive)

Even celebrities get a little starstruck every now and then!

ET caught up with Shawn Mendes ahead of his performance at the TIME 100 Gala in New York City on Tuesday, where he revealed he was too nervous to meet the members of the royal family.

The 19-year-old singer was recently in London, England, performing for Queen Elizabeth II's 92nd birthday.

"I stood next to the Queen for about 15 minutes, waiting to go on stage," Mendes told ET's Nischelle Turner. "We didn't technically meet, but I was standing next to her. It was really awesome! It was a lot more relaxed then I thought it would be, in the best way. That was just -- truly, I'm having a really great week."

"She's very funny," he continued."The whole royal family is very normal and just, like, super likeable and amazing."

Mendes said he also spotted Meghan Markle and Prince Harry, but didn't have the guts to talk to them!

"I didn't [meet them], I actually chickened out," he confessed. "I walked by the hallway and I saw them in there and I was like, 'Should I go say something? Nah.'"

"Usually I don't freak out like that, but I was really... I was surprised by how nervous I got in front of them," he added.

Although Mendes says he won't be at the actual royal wedding on May 19, he'll be watching "like everyone else."

One person who is expected to attend is Amal Clooney's go-to London hairstylist, Miguel Perez. A source told ET on Tuesday that the stylist is expected to style Markle's hair on her special day.

"Yes, I do Meghan's hair," Miguel reportedly told The Mail this week. "I do Amal's, and Meghan is friends with her. I also do George [Clooney]'s, I do the whole family. Amal put Meghan and me together when she moved here [to London]. I do her color, her cut and her styling."

"We have talked about it [the wedding] and we have a plan," he continued. "I can't say any more, but we know what we're doing."

Hear more in the video below, and be sure to keep up with all of ET's coverage of the royal wedding as we count down to the former Suits star's journey to the altar!

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TIME 100 Gala 2018: Red carpet arrivals
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TIME 100 Gala 2018: Red carpet arrivals
NEW YORK, NY - APRIL 24: Journalist Megyn Kelly attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Megyn Kelly attends the 2018 Time 100 Gala at Frederick P. Rose Hall, Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Mark Sagliocco/WireImage)
NEW YORK, NY - APRIL 24: Jennifer Lopez attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Hoda Kotb attends the 2018 Time 100 Gala at Frederick P. Rose Hall, Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Taylor Hill/FilmMagic)
NEW YORK, NY - APRIL 24: Actors Emily Blunt and John Krasinski attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Nicole Kidman attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Musician Keith Urban and actor Nicole Kidman attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Olympian Lindsey Vonn attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Television host Savannah Guthrie attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Millie Bobby Brown attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: News anchor Al Roker attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Musician Shawn Mendes attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Sterling K. Brown attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Susan Kelechi Watson attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: United States Representative Maxine Waters attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Television hosts Savannah Guthrie and Hoda Kotb attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Martha Stewart attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Greta Gerwig attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Singer Kesha attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Olympian Adam Rippon attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Mia Farrow attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Ben Platt attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Activist Janet Mock attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actors Susan Kelechi Watson and Sterling K Brown attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Comedian Leslie Jones and designer Christian Siriano attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Emily Nestor and Ronan Farrow attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Olympic Fencer Ibtihaj Muhammad attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Journalist David Muir attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Yara Shahidi attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Comedian Trevor Noah attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Author Padma Lakshmi attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: MeToo! Founder, activist Tarana Burke attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Olympic gymnast Aly Raisman attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Journalist Norah O'Donnell attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Deepika Padukone attends the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
NEW YORK, NY - APRIL 24: Actor Lena Waithe and Alana Mayo attend the 2018 Time 100 Gala at Jazz at Lincoln Center on April 24, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Time)
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