Wow, if you needed proof Jessica Alba ’s thriving with new BF Danny Ramirez -- look no further, the two were partying it up at the VMAs after-party!

Check the clip -- Jessica was all vibes as Cardi B tore up the Raising Cane’s VMA after-party in NYC on Sunday evening ... grinning ear to ear, drink in hand, with Danny right by her side. Play video content

As you can see, "Captain America" star Danny kept it cool -- but still looked like he was having a blast right next to his lady.

It’s not just fans cheering Jessica on in this new chapter of her life -- even her estranged hubby, Cash Warren , says he’s glad she’s found love again with Danny. Gallery Launch Gallery Backgrid

Of course, Jessica’s been all in since TMZ broke the news she’s dating Danny -- gett

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