Stickers:
https://vittleruniverse.tumblr.com/post/669863785417277440/acty-set-kids-sims-4-more-info-download
http://enuresims.blogspot.com/2017/10/temporary-tattoos-for-toddlers.html
The bedroom is by a creator named Cowbuild according to the download page the set was called
"unique luxury". Unfortunately, it's been taken down. I searched her Tumblr, Instagram, and Patreon for the set and could not find it. If you have Tumblr, you could try messaging her.
This site has a bunch of Chanel logos but, I don't think they have the right color: https://modthesims.info/d/654014/chanel-wall-stickers.html
Decor Heart bags: https://murphy-sims.tumblr.com/post/648912741377179648/chanel-quilted-heart-bag-100-new-mesh-8-swatches
The baby shower room baffles me. It was posted
here and I guess if you join their Patreon for $5.00 you can download the room. The .rar at the bottom of the page is just textures for recolors.
The changing table is part of this set:
https://harrie-cc.tumblr.com/post/617554986212229120/tiny-twavellers-a-67-piece-custom-content-stuff
