It held up very well throughout the night, I didn't see a lot of wrinkles because We had dinner for about 1 hour, then we stood around for the rest of the night. I didn't have to keep adjusting it except after restroom break. Got a lot of nice compliment on this style from strangers, mostly from the young generation above 20 and below 35.
So No big wrinkles, No sliding, no adjustment ( except after restroom break

) enjoy.

Oh the bigger belt will work too

my DH call this style Big Napkin style

because when I sat down, it did look like I had a napkin on my lap ( an expensive one

)