TwitterThe Band-Aid heirs aren't the only socialite family weeping over the death of 30-year-old Casey Johnson.
The Hiltons are also in mourning over the loss of their close friend.
While Nicky Hilton stopped by Johnson's home last night accompanied by mom Kathy and boyfriend David Katzenberg (video after the jump), Paris Hilton offered her own euology via Twitter.
"In bed crying, looking at baby pictures of Casey, Nicky and I," she tweeted. "I feel so upset. I feel like I've lost a sister. My heart is broken. Miss her."
An hour later, she added, "God has another Angel by his side. Casey, we all Love and Miss you and know that you are in a better place. R.I.P."
Lindsay Lohan also joined the :( action, while Johnson fiancée Tila Tequila continued to tweet her sorrow...
"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," Lohan wrote.
"R.I.P. Casey Johnson," added Samantha Ronson. "Am so sick of those 3 letters."
Understandably, Tequila is still heartbroken…and still typing her sadness for the world to see.
"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," she said. "R.I.P my Angel. @caseyjonsonJnJ u will forever be in my heart! 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..."
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Remember those we lost last year in our 2009's Fallen Stars gallery.