Essex pub owner Adam Brooks tweeted: 'I am absolutely gutted to hear this news, my business rival in the 00's, but such a well-respected gentleman in the industry, shared many friends with Mick.
Fellow reality starJess Impiazzi wrote: "Thank you for the memories @micky_norcross - still can't believe what I'm hearing. always been so supportive!"
"At the end remind yourself that you did the best you could", he wrote.
He said: 'I wasn't seeing my friends, I hadn't spoken to my family about what was going on, I was just kind of swallowing everything that had been happening and just feeling more and more s**t'. You're loved! And the world is better with you in it.
Mick joined the cast of TOWIE in 2011, appearing alongside his son Kirk Norcross, 32, as well as the likes of Mark Wright, Joey Essex and Lucy Mecklenburgh.
Mick Norcross issued this final tweet before his death.
Police have confirmed his death after they were called to his home in Bulphan, Essex on Thursday.
"Sadly, a man inside was pronounced dead", police said in a statement.
The businessman and father of Kirk Norcross, who also starred in the ITV show, was found dead at his home in Bulphan at 15:15 GMT on Thursday.
The spokesperson added that the death was "not being treated as suspicious and a file will be prepared for the coroner".
Mick previously said he regretted reducing the boutique owner to tears in an interview with The Sun that year. The thought of you going through the same pain and emotional darkness I did breaks my heart.
'But I never meant to hurt her.
Mick made his TOWIE debut in 2011 during the show's second season.
Sugar Hut became known for its high-publicised feuds on the show with huge rows between central characters such as Mark Wright and Lauren Goodger, as well as former on-off couple Chloe Sims and Mark's cousin Elliott.
"Mick was wanting to invest in the area and bring in new people", they continued to The Mirror.
He said: 'My mindset was very much to sort out where my head was and get help and talk to people as opposed to shutting myself out, which is what I'd done for a month or two before'.
His former TOWIE co-star Mario Falcone said: "I am heartbroken mate".
Mick chose to quit the reality series in 2013 and went onto become a property developer.
Jones self-isolating as England plans hit
He and his family have chose to remain in Australia over fears of the Covid-19 rates in the United Kingdom. Proudfoot, the former Springbok forwards coach, is not displaying any symptoms.