Justin Bieber's mom says she's 'thankful' to have Hailey Baldwin 'as a daughter' in sweet birthday post

Aside from receiving presents, and overindulging when it comes to food and drink, the festive season is also a time when you're forced to spend time with your family and in-laws.

Quelle horreur.

For one pair of newlyweds, however, this might not be such an ordeal. Justin Bieber and Hailey Baldwin - two of Hollywood's latest to get impulsively hitched - have pulled out all the stops to integrate each other into their respective families.

Case in point: Justin Bieber's mother, Pattie Mallette, wished Hailey happy birthday on Thursday with the sweetest post on Twitter.

Justin Bieber's mum is making sure Hailey feels part of the family.

Pattie wished the 22-year-old model happy birthday by taking to Twitter to write, "“HAPPY BIRTHDAY @haileybaldwin !! I LOVE YOU!! I’m SO #THANKFUL to have you as a daughter!!!"

Adorable, right? Hailey has only been Mrs. Bieber for a hot minute, and she's already considered a daughter.

This shout-out comes a week after Hailey changed her Instagram handle to read "Hailey Bieber", as well as her bio to read "Hailey Rhode Bieber".

The name change comes after the model was spotted at Levi's new Times Square flagship store opening in New York on Thursday evening. Hailey donned the brand's iconic trucker jacket, and her new married name was splashed across the back.

The pair wed in a secret ceremony back in September, just two months after the singer proposed with a custom oval engagement ring on July 7th while vacationing in the Bahamas.

At the time, the 24-year-old took to Instagram to announce the engagement, writing "Was gonna wait a while to say anything but word travels fast, listen plain and simple Hailey I am soooo in love with everything about you! So committed to spending my life getting to know every single part of you loving you patiently and kindLY. I promise to lead our family with honor and integrity letting Jesus through his Holy Spirit guide us in everything we do and every decision we make."

"My heart is COMPLETELY and FULLY YOURS and I will ALWAYS put you first! You are the love of my life Hailey Baldwin and I wouldn’t want to spend it with anybody else. You make me so much better and we compliment eachother so well!! Can’t wait for the best season of life yet!. It’s funny because now with you everything seems to make sense! The thing I am most excited for is that my little brother and sister get to see another healthy stable marriage and look for the same!!! Gods timing really is literally perfect, we got engaged on the seventh day of the seventh month, the number seven is the number of spiritual perfection, it’s true GOOGLE IT! Isn’t that nuts? By the way I didn’t plan that, anyways My goodness does feel good to have our future secured! WERE GONNA BE BETTER AT 70 BABY HERE WE GO! “He who finds a wife finds a good thing and obtains FAVOR from the Lord!” This is the year of favor!!!!"

Well, it doesn't look like Justin and Hailey are going to be saying "thank u, next" anytime soon...