Billy Joel heading into a cigar club with "an unidentified pretty brunette" ... Madonna visiting a doctor's office uptown and later leaving the Standard Hotel with Jesus Luz in tow ... Samuel L. Jackson crossing the street in Midtown ... Adrien Brody chilling in the West Village ... Kelly Ripa picking up daughter Lola…

Model Maggie Rizer is turning 31 today. Dave Matthews is turning 42. Times book critic Michiko Kakutani is 54. Hot 97 host Angie Martinez is 37. Internet tycoon Lockhart Steele is 35. Indie film honcho Michael Barker is turning 55. Earl Graves, the founder of Black Enterprise, is turning 74. Author Judith Krantz is…