, Joe, 42, said "I'm so excited. I'm so happy for her."
Joe revealed he cried when he heard the news and said he approves of Teresa's husband to be.
"[Luis] came in like what she needed. She needed that Superman to come in and take her life and fix it, and that’s what he’s doing. I always said she needed a beast of a man, and he is one of them.”
Joe is married to Melissa Gorga, who stars with Teresa on RHONJ.
Teresa and Luis have been together for just over a year and celebrated their first anniversary in July.
On Tuesday they got engaged.
In photos exclusively obtained by , Teresa and Luis stood on a beach in front of bright lights that read: "Marry me."
According to an insider, the mom of four was "completely surprised" by the proposal, which all took place at the Amanzoe Resort in Porto Heli.
Louie had gotten down on one knee and asked the TV personality to be his wife.
EXQUISITE PROPOSAL
The romantic moment was described as "absolutely exquisite" by a source.
The source told the site: "The choreographed fireworks display illuminated a 'Marry Me' sign as Louie got down on one knee. Teresa was completely surprised."
Former RHONJ star Dina Manzo, 49, and her husband Dave Cantin, 41, were in attendance at the proposal.
The entire group drank champagne and dined on lobster, sea bass, and devoured lamb chops at the resort's restaurant, Nama.
They celebrated the engagement news and reportedly partied until five in the morning.
Fans have speculated for weeks that the pair would soon be engaged, as their relationship has gotten super serious.
Joe revealed that Luis told him ahead of the proposal what he was planning to do and added that Teresa's man is "living up to everything he's talking about."
'SHE'S ECSTATIC'
“She’s ecstatic. She loves him. She’s really, really happy. She always wanted to be loved, like, really loved, and he loves her.” he said.
Earlier this month, the couple finally moved into their new $3.4million New Jersey mansion.
The pair bought the sprawling estate, which sits at 7,728 square feet and features seven bedrooms and seven full bathrooms, at the start of the year.
Teresa and ex-husband Joe Giudice finalized their divorce in 2020 after 20 years of marriage.
They have four children together, daughters Gia, Gabriella, Milania and Audriana.
Teresa served 11 and a half months behind bars in 2015, for charges that included conspiracy to commit wire and bankruptcy fraud.
When she was released in 2016, Joe started his 41-month sentence for mail, wire and bankruptcy fraud and was later deported to Italy in the months following his release.
RHONJ's Teresa Giudice shows off massive ring as fans think she'll get ENGAGED to boyfriend Louie Ruelas in Greece