Isn't It Ironic?!

3/18/2008 2:20 PM PDT BY TMZ STAFF
Pop/rock singer Alanis Morissette at a L.A. concert on Sunday -- and heavy metal legend Ozzy Osbourne performing in Australia last Friday.

Alanis Morissette and Ozzy Osbourne
Believe it or not, one of them was engaged to Ryan Reynolds.

We're just sayin'!