Songs for my wedding dayy ?

well its not myy wedding dayy its my sisters but either wayy, she is needing some good filler songs like for when the brides maids walk in before the wedding actually starts during the sand ceremony ect, but what she is really needing is a song to walk down the aisle when she walks in...she isnt really wanting to go with the traditional "here comes the bride" so i neeeeed your help! please list some beautiful/sweet/amazing songs but if you dont mind specify which one you suggest for her walking down the aisle! thank you for your help!