Picks and Pans Review: Mamma Meryl!
Zellweger let tears flow for her cancer-ridden mom in One True Thing.
Streep and Seyfried made a cheeky song-and-dance team in Mamma Mia!
A pre-Titanic Leo played her pyromaniac son in Marvin's Room.
Country singers Lohan and Streep duet in A Prairie Home Companion.