Jessica Simpson's dog Daisy
Courtesy Jessica Simpson
09/15/2009 at 09:00 AM EDT
's beloved maltipoo Daisy was grabbed by a wild coyote
that then vanished with the small dog, the singer wrote via Twitter Monday night.
"My heart is broken because a coyote took my precious Daisy right in front of our eyes. HORROR!" she Tweeted
Simpson, 29, has offered a reward to anyone who can reunite her with her 5-year-old, caramel-colored dog (see poster, left).
– Michael Y. ParkRead more about Jessica Simpson's loss on PEOPLE Pets