Exciting news is on the horizon as British actress and singer-songwriter Suki Waterhouse and actor Robert Pattinson are expecting their first child together.

The revelation came during Waterhouse's performance at the Corona Capital Festival in Mexico City on Sunday, where she cleverly alluded to her pregnancy, per USA Today.

Taking the stage in a dazzling sequined dress and a feathery, light pink jacket, Waterhouse playfully suggested that her sparkling attire was meant to divert attention from her growing baby bump.

"I decided to wear something particularly sparkly today 'cause I thought it might distract you from something else that's going on," she shared with the audience, accompanied by laughter. "I'm not sure if it's working."

The couple received warm wishes from unexpected quarters, including the official "Twilight" account on Instagram, which shared a throwback photo of Pattinson as the vampire heartthrob Edward Cullen along with a congratulatory message.

The post expressed the shared sentiment of many fans, saying, "Anyone else a little emotional today because Robert Pattinson is going to be a dad? Congratulations to Suki and Rob!"

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Suki Waterhouse and Robert Pattinson

The Suki Waterhouse pregnant with Robert Pattinson news marks a significant milestone for the couple, who have been romantically involved for over five years, according to CNN.

Despite their long-standing relationship, Waterhouse did not mention Pattinson while on stage during her performance on Sunday.

The couple's journey began in 2018 when they were first seen together in London, and since then, they have deliberately kept their relationship out of the public eye.

"If you let people in, it devalues what love is. If a stranger on the street asked you about your relationship, you'd think it extremely rude. If you put up a wall, it ends up better," Robert Pattison said, explaining their choice to keep their privacy, per ET Online.

Their public debut as a couple on the red carpet occurred just last year at the Dior fashion show in Egypt, almost five years into their relationship.

In February of the same year, Waterhouse shared insights into their relationship during an interview, expressing her surprise at finding herself "so happy with someone for nearly five years."

Suki Waterhouse mentioned that whenever she sees his name pop up on her phone or gets a text from him, she is always incredibly excited. And she thinks he feels the same way about her. They have got so much to talk about, and she finds him hilarious.

Suki Waterhouse Reveals She's Living with Robert Pattinson

In a recent interview on the "Driven Minds: A Type 7" podcast, Suki Waterhouse shared insights into her relationship with Robert Pattinson.

She revealed that she had moved out of her apartment this year to live with Pattinson, BBC noted.

The actress expressed her gratitude for Pattinson's acceptance of the inevitable mess and chaos that comes with living together, noting that he finds it charming.

Describing the difference in their dynamic compared to her past relationships, Waterhouse highlighted her sense of pride in the life she has built and her desire to share it with someone.

She emphasized the stability that their relationship brings, marking a significant departure from her previous experiences.

Adding another dimension to their journey as a couple, Pattinson and Waterhouse invested in a $5.3 million Spanish-style colonial house situated in the discreet hills of Hollywood early this year.

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Written by: Bert Hoover

WATCH: Suki Waterhouse & Robert Pattinson Are Having a Baby - From Access Hollywood