You better Belieb it!

On Tuesday night's Knock Knock Live, Justin Bieber "blessed" a bunch of needy people -- oh and he also gave them cold hard cash money.

The FOX show, which hosted by Ryan Seacrest, hands out cash by knocking on the doors of deserving people and then going through a series of zany mini challenges.

In the first knock, the Biebs surprised 15-year-old Ashley who'd missed her quinceañera after contracting meningitis and almost dying.
Justin rewarded the superfan a belated quinceañera with all her family and friends, where he slow danced with her to his song "Pray." The teen also got a shopping spree for her mom and $10,000 to help with medical bills.

The second knock was quite a sight to be seen. JB met up with Nikia and his rapping son Noah, who has down syndrome.

After getting a little concert from the toddler and his dad, the 21-year-old presented the pair with a check for $50K, courtesy of one of the show's sponsors. The "Baby" singer said to them, "I just wanted to come here and bless you with that."

"Bless"?! While we think it's possible he's been spending too much time with Pastor Carl Lentz -- we know Justin means well.

The heart-warming show features a celeb giving amazing surprises to a handful of worthy people. David Beckham and Common appeared on the show last week.

Just try to watch this video without crying -- it's not possible!