Steven Tyler -- Dude Freaks Out a Lady On TMZ Tour
Steven Tyler Dude Freaks Out a Lady On TMZ Tour Bus
![](https://imagez.tmz.com/image/54/16by9/2012/08/09/54ffa0f60cab5295a017992e8c7d863e_md.jpg)
Steven Tyler's drive-by of the TMZ Tour bus skyrocketed one woman's freak out meter to 11 -- officially making it the greatest celebrity spotting moment in history ... if you ask her, anyway.
Check out TMZ on TV -- click here to see your local listings!