January 2020
The hat is from the recent Wumples' Wishlist:
https://answers.ea.com/t5/Game-Information/Wumples-Wishlist-16/m-p/8533094#M22947
The hairstyle came from a Sweet Treat Showdown:
https://thegirlwhogames.blog/2019/10/15/the-sims-mobile-sweet-treat-showdown-treatsylvania-haunt-eve...
Both aren't available right now, hopefully, the items will return in a future event or became for sale someday.