So i work in a leasing office with business casual as the attire and I’m 18 weeks and practically all my clothes are starting to become too tight/ lifting. I wanna look professional/stylish yet comfy

I prefer the affordable section when it comes to clothes... I’m the type of girl that can drop $30 on food with no problem but not for a plain ole shirt if you know what I mean. Just looking for suggestions really. Don’t really need help with my casual clothes because I have tons of loose and strechy material sundresses