Goldstein and Moore
Slaven Vlasic/ABACA; Marsaili McGrath/Getty
09/22/2008 at 06:00 AM EDT
has jetted to DJ AM's bedside as he continues to recover from burns sustained in this weekend's devastating plane crash
The singer hopped a flight and visited her ex-boyfriend at the Joseph Still Burn Center in Augusta, Ga., Moore's manager confirms to PEOPLE.
The 35-year-old deejay (real name: Adam Goldstein) and drummer Travis Barker, 32, remain hospitalized in critical but stable condition. The center's director, Dr. Fred Mullins, has said that both musicians are expected to make a full recovery
The plane's four other passengers all perished in the crash.
Moore and Goldstein began dating in early 2007 (not long after his break-up
with ex-fiancée Nicole Richie
). They split amicably
after about two months.
And Moore is not the only one showing her support. Barker's ex-wife, Shanna Moakler, also rushed to the hospital
to be by his side.
Officials have said that the Learjet crash may have been caused by a blown tire
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