purposely skipping period with pills

Alexandra
hi! so next week i have graduation and we wear white caps and gowns and white dresses i'm supposed to get my period next week and start the new pills tomorrow i have to wear my cap and gown on tuesday and sunday... would it be ok if i skipped my pills or do you think i'll be okay?? my periods only last about 4 days and come either the 2nd or 3rd days of the pack so i'm not sure what to do!!