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Beyoncé just made a major announcement!

Are you sitting down? OK, good. Here it is: Beyoncé is pregnant … with twins!

The singer delivered the news on Instagram with a stunning photo of herself with her hands on her baby bump, kneeling in front of a wreath of flowers with a long green veil over her head.

RELATED: The cutest — and most creative — celebrity baby announcements

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“We would like to share our love and happiness. We have been blessed two times over,” she wrote. “We are incredibly grateful that our family will be growing by two, and we thank you for your well wishes.”

Blue Ivy Carter, Jay Z and Beyonce speak onstage during the 2014 MTV Video Music Awards. MTV/MTV1415 / Getty Images

She signed the post, “The Carters.”

Jay Z and his daughter Blue Ivy are seen at Hammerstein Ballroom for the CFDA Awards on June 6, 2016 in New York City. Robert Kamau / GC Images

Beyoncé and her husband, Jay Z, currently have a 5-year-old daughter, Blue Ivy.

The singer's mom, Tina Knowles, also celebrated the happy news on Instagram, writing, "WOWI don't have to keep the secret anymore?I am soooo happy. God is so good. Twin blessings."

Several celebrities have chimed in, too. Rihanna reposted Beyoncé’s photo and wrote, “So excited about this news!!!! Congratulations to you @beyonce and my big bro Jay!!!!”

Elsewhere on social media:

But really. Congrats to my best friend Beyonce I love you so much. Hive forever. — christine teigen (@chrissyteigen) February 1, 2017

NO - YOU ARE CRYING BECAUSE BEYONCÉ IS HAVING TWINS — Brie Larson (@brielarson) February 1, 2017

Congratulations to @Beyonce and the entire Knowles Carter family pic.twitter.com/YiAVd44TeS — Laverne Cox (@Lavernecox) February 1, 2017

Leave it to Ellen DeGeneres to provide the funniest reaction.

We send our own congrats to Beyoncé and Jay Z on the pregnancy!

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