Hailey Bieber has been quickly adding to her sentimental jewelry collection since welcoming her first baby (baby, oh!) with husband Justin Bieber in August. In September she debuted a sparkling "MOM" ring in honor of their son,

The model also gave a glimpse via Instagram of her husband Justin Bieber’s baseball cap tribute to their baby boy, who was born in August.

The model shared her spooky decoration in a video on her Instagram Stories on Oct. 5 Hailey Bieber is excited for her baby boy’s first Halloween! On Saturday, Oct, 5, the new mom, 27, posted a video of a statue of the character Jack Skellington from the 1993 film The Nightmare Before Christmas,

Hailey Bieber and Justin Bieber are clearly loving being parents, and Hailey’s latest accessory proves it! In case you missed it, on Oct 2, Hailey shared another update on how she’s monogramming everything with her and Justin’s newborn son Jack Blues Bieber’s initials.