By peoplestaff225
Updated July 17, 2008 12:15 PM

Nothing humanizes a celebrity quite like parenthood, and nothing humbles a parent quite like a diaper change. After all, it’s hard to feel glamorous or sexy when reaching for the wipes and butt balm at 3 a.m. — even if you happen to be the sexiest man alive. These are some of our favorite quotes from celebrity moms and dads about diaper duty, potty training and just about everything in between.

Chris Martin, dad to 4-year-old Apple Blythe Alison and 2-year-old Moses Bruce Anthony, on finding the joy in a dirty diaper:

Jason Bateman, dad to 20 ½-month-old Francesca, on the mystery of a colorful diaper change:

Ryan Sutter, dad to Maxwell ‘Max’ Alston, turning 1-year-old later this month, on confirming what moms have long suspected when it comes to dads and diaper changes:

Click ‘continue reading’ for more, including quotes from Tina Fey, Mark Wahlberg and others!

Salma Hayek, mom to 9 ½-month-old Valentina Paloma, on blissful diaper changes:

Mark Wahlberg, dad to 4 ½-year-old Ella Rae and 2-year-old Michael, on the first-thing-in-the-morning diaper change:

Rainn Wilson, dad to 3 ½-year-old Walter McKenzie, on mixed-signals while potty training:

Larry Birkhead, dad to 22-month-old Dannielynn Hope, on multi-tasking while changing a diaper:

Julia Roberts, mom to 3 ½-year-old twins Hazel Patricia and Phinnaeus ‘Finn’ Walter along with 13-month-old Henry Daniel, on premature diaper changes:

Garcelle Beauvais-Nilon, mom to 8 ½-month-old twins Jax Joseph and Jade Thomas along with 16-year-old Oliver, on the pitfalls changing boys:

Tina Fey, mom to 2 ½-year-old Alice Zenobia, on the importance of cheering potty training progress:

Photo by FAME.