Teresa Giudice went to Instagram to pay tribute to very close friend, Big Ang. "The Real House Wives" star mourned the death of "Mob Wife" friend after losing her battle to cancer.

Giudice posted on Instagram a picture of herself with Big Ang on Thursday, Feb. 18. "Such sad news, gone away too soon. Rest in peace angel. #kisstheonesyoulove," Giudice captioned.

Giudice followed-up her post with another picture and captioned it, "Remembering the good times @biggangvh1, Thinking of your family #godbless."

If that was not enough she also took to Twitter, with her social media handle @Teresa_Giudice. "She was certainly one of a kind and such a beautiful person. Prayers for her & her family," was Giudice's emotional post.

Big Ang was reported to have been battling throat cancer since March. She died at the age of 55 at 3:01 AM in a New York City Hospital. She struggled to survive a Stage 4 Lung and Brain Cancer but her health could not cope. Big Ang publicly opened about her struggles with cancer on the Dr. Oz Show. She explained in the interview that she tries to stay positive and uses her family as motivation, thinking that she needs to be strong because they need her.

Aside from Giudice, the entire reality TV community is mourning for the loss of Big Ang. Celebrities have taken to Twitter to remember the good times and express their love for their dearly departed friend with heartfelt pictures and posts.

Jenelle Evans posted a picture of her with Big Ang and wrote "Such a beautiful soul. Rest easy baby girl. #RIPBigAng." Her post included a crying emoji and hearts.

Other reality TV celebrities that also mourned were Luann de Lesseps, Nicole Polizzi, and Farrah Abraham.