Social media subsequently reacted with lightning speed — on Twitter, there were 17,000 Beyoncé-related tweets per second and half a million tweets within 45 minutes of her announcement, according to the platform. Among those were celebrities who couldn’t contain their excitement about Blue Ivy getting a pair of siblings. Rihanna, for one, reposted Beyoncé’s flowery announcement photo and wrote, “so excited about this news!!!! Congratulations to you @beyonce and my big bro Jay!!!! ????”
She wasn't alone in congratulating the Carters — below, see how a slew of other celebs reacted to the news.
Bryce Dallas Howard