Marc Anthony took to Instagram with a heartfelt message on Wednesday as his former wife, Jennifer Lopez, enjoyed a luxury getaway with her boyfriend, Ben Affleck.The father-of-six paid tribute after the sad death of performer, Johnny Ventura - known as Caballo Mayor.MORE: Jennifer Garner stuns in a lace wedding dress - but it's not what you might thinkMarc posted a photo of the merengue pioneer along with a short but poignant message in Spanish. WATCH: Jennifer Lopez celebrates her 52nd