Wedding day morning sickness!

I am nearly 8 weeks pregnant with my second baby and due to be married in less than two weeks. (We were trying however never expected it to happen before the wedding) 
The morning sickness has just hit me and is thoroughally Reminding me how much I hated it the first time round! 
Does anyone PLEASE have any tips at keeping it at bay I'd hate to be running to the bathroom every five minutes or God forbid have to leave the ceremony to throw up!