Celeb Birthdays: March 21-22

March 21

Deryck Whibley of Sum 41 seems a little old to be Avril Lavigne's BF at 26, but she's a Libra, and they are the best match for Aries. And they are both Canadian. See Deryck Whibley's astrological chart (Astrotheme, no birth time)

In the future, scientists will use DNA records to trace 25% of the human population back to Kevin Federline, though at 28 he has so far fathered only 3-4 children. See Kevin Federline's astrological chart (Astrotheme, no birth time)

Rosie O'Donnell may be a whole lot more butch than Matthew Broderick, but they share a 44th birthday today. See Rosie O'Donnell's astrological chart (Astrotheme, no birth time) | See Matthew Broderick's astrological chart (Astrotheme, no birth time)

Actor Gary Oldman is 48. With his Sun, Moon and Mercury in Aries and Venus and Mars in Aquarius, I really don't know what a Taurus like Uma Thurman was thinking marrying him. See Gary Oldman's astrological chart (Astrotheme, no birth time)

March 22

Reese Witherspoon turns 30 today. Get the astrological update on rumors about her marriage.

Actor Matthew Modine is 47. See Matthew Modine's astrological chart (Astrotheme, no birth time)

CNN's Wolf Blitzer is 58. Having gotten his career breakthrough covering war, he certainly embodies the Mars influence of Aries.

In the course of his 75 years, William Shatner has blurred the lines between human being, cultural icon and self-parody. See William Shatner's astrological chart (Astrotheme)

The utterly self-parodic, not to mention cuckoo for cocoa puffs, Pat Robertson is 76. See Pat Robertson's astrological chart (Astrotheme, no birth time)

Composer-lyricist Stephen Sondheim is also 76. See Stephen Sondheim's astrological chart (Astrotheme)

Birth dates from IMDB.com. Please email me any corrections, additions or -- especially appreciated! -- exact birth times.