Dog to Miley: How Dare You!

8/18/2008 2:40 PM PDT BY TMZ STAFF
There's a spoiled bitch in the Cyrus family -- no, not her.

Ms. Montana and Co. attended the birthday party for her aunt's pup this weekend, the same Maltese that went missing back in March. During the bash, Cyrus took a new MySpace selfie -- one that doesn't show her kibbles 'n bits.