![Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter](https://pbs.twimg.com/media/DwkR-IWV4AA_ipS.jpg)
Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter
![Richard Marx Should've Known Better US Promo 12" vinyl single (12 inch record / Maxi-single) (32034) Richard Marx Should've Known Better US Promo 12" vinyl single (12 inch record / Maxi-single) (32034)](https://images.eil.com/large_image/RICHARD_MARX_SHOULDVE%2BKNOWN%2BBETTER-32034.jpg)
Richard Marx Should've Known Better US Promo 12" vinyl single (12 inch record / Maxi-single) (32034)
![Stream Should've Known Better ((Demo) [2021 - Remaster]) by RichardMarx | Listen online for free on SoundCloud Stream Should've Known Better ((Demo) [2021 - Remaster]) by RichardMarx | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-tPd0oBcsJgcH-0-t500x500.jpg)
Stream Should've Known Better ((Demo) [2021 - Remaster]) by RichardMarx | Listen online for free on SoundCloud
![Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app](https://c-cl.cdn.smule.com/rs-s36/arr/e2/53/0bbbaa9e-587d-4842-973e-093bf62dd504.jpg)
Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app
![Richard Marx - Richard Marx - Satisfied / Should've Known Better (Live) - - EMI America - B-50189 - United States - Near Mint (NM or M-) / Generic - 7" - Amazon.com Music Richard Marx - Richard Marx - Satisfied / Should've Known Better (Live) - - EMI America - B-50189 - United States - Near Mint (NM or M-) / Generic - 7" - Amazon.com Music](https://m.media-amazon.com/images/I/91D93IAdnkL._SX355_.jpg)