Watch Justin Bieber Cradle His Baby Sister While Doing the 'Toosie Slide' in New TikTok

Justin Bieber opened up about his regrets in his relationship with Hailey Baldwin, when the pair appeared on their Facebook series The Biebers on Watch. The “Yummy” hitmaker got super candid, and revealed he wished he had abstained from sex until he was married to the 23-year-old supermodel.

Justin Bieber knows how to be a great big brother.The singer took to Instagram on Friday (May 15) to share an adorable photo with his one-year-old half sister Bay Bieber, both rocking beanies and sleek sweatsuits.JB topped off the cuteness with an even sweeter caption: "Dear baby sis, you will grow up to be a confident, strong, kind, compassionate powerful woman! Excited to watch you grow into the incredible woman you are DESTINED TO BE!"Bay is Justin's dad Jeremy's first child with Chelsey

Justin Bieber will always have his little sister's back.  On Thursday, the "Yummy" singer gave his half-sister Bay Bieber, 20 months, a sweet shout-out on Instagram.

Coolest brother ever! Justin Bieber has been spending time with his half-siblings while quarantined with wife Hailey Baldwin in Canada. On May 14, he posted the cutest photo of himself holding his little sis, Bay Bieber, 1, while seated on a couch.

When we last checked in on Justin and Hailey Bieber on their Facebook Watch Biebers on Watch series, the star was lamenting his adult-onset acne. Well, on Wednesday's episode, Hailey's got an app for that. Actually, it's a mask, but since we're all on quarantine with nothing to do, what's the difference?

Justin Bieber, 26, and Hailey Baldwin, 23, are approaching their two-year wedding anniversary this fall, but aren’t planning for a baby just yet! “Justin and Hailey have expressed to those close to them that they’re not anywhere near trying for a baby right now,” a source spills to HollywoodLife EXCLUSIVELY. “That’s probably three-plus years away still. They feel it’s not in God’s plans right now, but eventually, they’d love to have a baby,” the insider added.

Ariana Grande and Justin Bieber's "Stuck With U" struck a chord with music fans this week.The pop superstars soared to the top of this week's favorite new music release poll, which was published Friday (May 8) on Billboard, with their new song."Stuck With U" was the fan favorite, totaling more than 75 percent of the vote.

Happy New Music Friday!

Making cameos are Bieber's wife Hailey, Kylie and Kendall Jenner, Demi Lovato, Chance the Rapper and more.

The lockdown hasn't stopped Justin Bieber and Ariana Grande from collaborating on a new song. The international singers come together to drop their song titled Stuck With U.

Justin Bieber and Ariana Grande have officially released their new song “Stuck with U,” which was recorded to benefit First Responders Children’s Foundation.

Justin Bieber and Hailey Baldwin are leaving no stone unturned to entertain their fans amidst the quarantine phase. Besides making fun TikTok videos together and bonding with family, the couple is finding ways to keep their romance alive.

Keeping up with the Biebers! Justin Bieber and Hailey Bieber (née Baldwin) are opening up about their romance in surprising ways on their new Facebook Watch series, The Biebers on Watch.

Justin Bieber began the year with the promise of going deep into his personal life. He launched a YouTube docu-series called Seasons in January, which captured what the artist had endured since the 2016 cancellation of his Purpose world tour.

Justin Bieber, 26, is truly a family man at heart! The Changes singer has been bonding with his adorable brother Jaxon, 10, and sisters Allie, 12, Jazmyn, 11, and Bay, 1, while quarantined in Ontario, Canada along with wife Hailey Baldwin, 23.

Justin Bieber and Ariana Grande are in a charitable mood.

Drake put his own spin on Michael Jackson's moonwalk, but who put the best spin on his "Toosie Slide"?Justin Bieber and Diddy recruited their families as backup dancers, with the hip-hop heavyweight bringing out his secret weapon: Drake himself.

Justin Bieber seems to be making the most out of his time in quarantine. The the-26-year old singer has been practicing social-distancing along with his wife Hailey Baldwin and his family at his home in Canada. Justin Bieber has been binge-watching shows, listening to music, indulging in self-care, cooking and doing lots more to keep himself busy amidst the lockdown. But one that he's doing the most and is acing at it, is making TikTik videos of himself and wife Hailey Baldwin.

Justin Bieber, 26, is all about TikTok these days. The singer posted his stepsister Allie Rebelo’s TikTok video that features him, Hailey Baldwin, 23, Jazmyn Bieber, 11, Allie, 12, and more doing Drake’s “Toosie Slide.” Justin is holding his little sister, Bay Bieber, 1, through the dance and she doesn’t seem to mind all the ruckus. In the middle of the dance, Justin moonwalks out of the frame.