Over the weekend, Peck got married to Paige O'Brien in a small Malibu ceremony in front of family and friends.
So between that and the whole not-being-invited-to-your-former-on-screen-step-brothers-wedding thing, it's pretty clear that Drake and Josh don't really speak anymore and haven't been major players in each other's lives for a while.
Another fan noted that Cosgrove was not in attendance at the wedding either and suggested she should also be upset at the apparent snub against her.
For reference, here's a photo of Josh Peck's wedding.
Apparently, fans have sided with Drake and feel as though he should have been there on Josh's special day.
In since deleted tweets, Drake expressed his disdain at the lack of invite, writing: 'True colors have come out today.
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"It was pretty cool being on set and hearing people say 'Okay, we're ready for Drake and Josh, ' " he said. The actor was photographed alongside "Grandfathered" co-stars John Stamos and Nicole Golfieri.
The former duo costarred as stepbrothers on the Nickelodeon series Drake & Josh from 2004 to 2007. Message is loud and clear", he wrote, adding, "Ties are officially cut.
The insider revealed that Drake and Josh "hadn't spoken in three years" and "would tweet each other back on social media a couple times a year".
Josh, you missed out on a great friend... and workout buddy!
He continued, "I go, 'I wish I had a better answer but probably at home". "Loyalty is key... ALWAYS remember where you came from".