People are just realizing that Billie Eilish has two famous parents

People are only just realizing that Billie Eilish actually has two famous parents.

Now fans of the 22-year-old “Ocean Eyes” star were shocked to find out that her mother, Maggie Baird, starred in perhaps the most popular sitcom of all time in 1999.

The result of FriendsIn “The One Where Joey Loses His Audience,” Maggie plays Casting Director 2 while Joey Tribbiani (Matt LeBlanc) auditions for her.

The scene shows Joey losing a role he actually needed to pay for his medical care due to a painful hernia.

Unable to lift the product because of the pain, he suggests instead, “Or I could just point? Blah, blah, blah, Purina One. Point to a bag today.”

Maggie Baird appears in a scene from Friends. (Warner Bros)

The clip has since resurfaced on social media, and many fans of both the TV show and the singer can hardly believe the unexpected crossover.

Many have since rushed to Instagram to share their reactions, with one writing: “HOW COULD I NEVER NOTICED THIS?”

“HOW COULD I NOT NOTICE,” echoed a second, while a third revealed: “I just watched this episode and now I’m annoyed that I didn’t notice.”

“I didn’t know that! How funny!!!” joked a fourth.

A fifth person chimed in: “OMG, NO WAY?!!!!!!!! WHAT? I’M GREAT!”

Fans were more than “shocked” that Billie’s mother made a brief appearance on Friends in the ’90s. (Instagram/@billieeilish)

“When I saw her on the show I was shocked,” admitted a sixth, while a seventh chimed in: “Holy crap, I thought she looked familiar!”

“I didn’t know that and I’m on the final season,” tweeted one eighth, while another added: “Hooooly sh*t!!! That’s why I thought I knew her when I first saw the show! Wow!”

And one final Instagram user wondered: “So is Billie a Nepo baby?”

This is a entire a completely new conversation.

And now her fans can’t believe that her mother wasn’t the only one in the spotlight, because her father, Patrick O’Connell, is also an actor.

Billie’s father, Patrick O’Connell, once played the lead role in Iron Man. (Paramount Pictures)

He has appeared in numerous films including: Iron Man (2008), The western wing (1999), Living from the inside out (2013) and baskets (2016).

In the comment section of the same Friends Clips, thousands flocked to share their reactions to the news that Patrick, too, was in the spotlight.

One Instagram user revealed: “Her parents are both actors.”

A second tweeted: “Billie’s dad was in the first Iron Man Film as one of the reporters.”

And a final Instagram user explained: “Her parents both had small roles. They weren’t particularly famous actors.

“They are just a talented family.”

That’s for sure!