Here are the week to week performances of Meghan Trainor's singles on the Billboard Hot 100.    UPDATED: June 5, 2018   Title  All About That Bass (2014/2015) *25 weeks in Top 10* 1st Week: #84 2nd Week: #54 3rd Week: #28 4th Week: #8 5th Week: #4 6th Week: #2 7th Week: #3 8th Week: #2 9th Week: #1 - PEAK POSITION 10th Week: #1 11th Week: #1 12th Week: #1 13th Week: #1 14th Week: #1 15th Week: #1 16th Week: #1 17th Week: #2 18th W