Break out the tissues, Justin Bieber is getting sentimental. The singer shared one of the sweetest messages ever on social media and it’s all about his younger siblings! Click to read his emotional post.

Justin Bieber, 21, shared a touching message for his two younger siblings, Jazmyn, and his brother Jaxon on Dec. 30. The singer has been spending the holidays bonding with the youngsters on a tropical vacay. See his adorable Instagram post here!

Justin’s siblings are an important part of his life. While away on vacation with his family for the holidays, the heartthrob posted an adorable photo of himself with Jazzy and Jax. He captioned the shot: “Honestly I never thought I could love somebody the way I love these two children. They are strong, kind, smart and so charismatic!”

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The post continued with: “They are constantly making me want to be better, and I believe they will make me a better parent one day. I am so blessed and honored to play such a significant role in their life, and I’m looking forward to see what they become. And I know whatever that may be I will be proud!” So sweet.

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There’s also another person on this vacation that means a lot to the Biebs — Hailey Baldwin, 19. During the trip, Justin posted a video of her captioned: “She thought we were taking a photo,” where Hailey is posing and looking in a different direction while Justin giggles, sticks his finger in his mouth, then totally gives her a wet willy! It’s gross — what is this first grade flirting? You don’t just put your finger is anyone’s ear. Yet, Hailey giggles and grabs Justin’s hand in a loving way. Wow. And the way Justin beams at her?! We’re starting to get pretty suspicious that something romantic might be going on here!

What do YOU think, HollywoodLifers? Do you think Justin’s siblings make him sweeter?