Tila Tequila, Lindsay Lohan, Paris Hilton React To Casey Johnson's Death

Friends of the Johnson & Johnson heiress tweet their condolences.

Casey Johnson's friends and family are reacting to the tragic news of the 30-year-old Johnson & Johnson heiress' death. The socialite, whose body was discovered in her Los Angeles home on Monday, apparently died of natural causes, leaving behind an adopted daughter, Ava-Monroe.

Johnson's fiancée, reality star Tila Tequila, expressed her loss on her Twitter page in a series of messages: "Everyone please pray 4 my wifey Casey Johnson. She has passed away. Thank u for all [your] love and support but I will be offline to be [with] family. This is a very heartbreaking time for me. I just want some [privacy] as I deal with the loss of my fiancé Casey Johnson... [my] heart is shredded. I'm still in shock! Once again thank U for the outpour of love and support. I just wish to have some privacy at this heartbreaking time. R.I.P my Angel.

"@caseyjonsonJnJ u will forever be in my heart!" her tweets continued. "I love u so so much and we will marry when I see u in Heaven my wifey. I can't stop these haunting visions of her and I. We made such a lovely couple, only beginning to spend the rest of our lives together..."

Celebrity DJ and friend Samantha Ronson also took to Twitter, writing, "R.I.P. Casey Johnson. Am so sick of those 3 letters." Lindsay Lohan, who retweeted Ronson's thoughts, added, "r.I.p. To a friend to and of many- Casey Johnson- my regards to her family, friends and her beautiful daughter Ava* you are in our hearts CJ."

E! Online reports that Johnson's good friend and godmother to Ava, Nicky Hilton, along with her mom, Kathy, and boyfriend, David Katzenberg, stopped by Johnson's house after hearing the news of her death. Hilton's sister, Paris, not only took to Twitter to express her condolences, but also spoke to Life & Style about the loss.

"I am devastated to hear this news. I've known Casey since I was a baby," she told the magazine. "She had a big heart and she was a good friend. I feel so sad, I don't want to believe it. My condolences go out to her family and loved ones."

Johnson's father is New York Jets owner Woody Johnson, and her great-grandfather was the co-founder of Johnson & Johnson, the famed maker of everything from baby powder to Q-Tips, Visine, Tylenol and Band-Aids. "The Johnson family is mourning its tragic loss, and asks for privacy during this very difficult time," a statement from the Jets read.