reporter: oh, they re lasted all right, 25 years. michelle obama tweeted at her husband tuesday, a quarter of a century later, you re still my best friend and the most extraordinary man i know. i love you. along with a wedding photo. he delivered his anniversary message to her hey, honey. reporter: via video. it was billed as a surprise. i had i had to crash this party. reporter: at a conference per women, he marvelled at her saintliness. the idea that you would put up with me for a quarter of a century. reporter: as michelle beamed. it s truly the best decision that i ever made, to be persistent enough asking you out for a date that you finally gave in. i hope you feel the same way. reporter: for the 25th anniversary, actor titus burgess composed what he called ode to the obamas.