Widening mouth

[sigmaove]

If I expand my pallet will my mouth/lips become wider aswell?

 

[CertifiedGoy]

Tiny bit

 

[maxximus]

expect soft tissue changes, maybe some noticeable widening, not a lot though

 

[Asoka]

If I expand my pallet will my mouth/lips become wider aswell?

not your lips, but depends what you mean by "mouth"