Khloé Kardashian-Odom
"I mean how cute is she @kourtneykardash," the E! star captioned the pic of her sis.
Naomi Watts
"Boom," Liev Schreiber captioned the pic of his better half.
Joseph Gordon-Levitt
"Me Mr. Radcliffe. #Gangster. #Oscars"
Jennifer Aniston
"Jen A n C Mc #oscars #prettyhair #prettygirl #livingproof #red #valentno#couture"
Jennifer Hudson
"Big sis n I are on our way to the oscars !!! Look at God !!!"
Mark Ruffalo
"Heading to @theAcademy."
Joseph Gordon-Levitt
"Sally did indeed know how to tie a bow tie! I thought she would. #Oscars"
Samuel L. Jackson
"In da car headed to Oscar dealio! Avengers Assembling!"
Jessica Chastain & Quvenzhané Wallis
"Quvenzhane showing off her purse to Jessica Chastain #oscars" (via The Academy)
Piers Morgan
"All the winners' names are in this briefcase... #Oscars #RedCarpet"
Judd Apatow
"I shaved and got all done up fancy because apparently tonight I am going to win an Oscar!"
Joseph Gordon-Levitt
"On the way to pick up my hot date. Hope she knows how to tie a bow tie. :O)"
Heidi Klum
"Getting all dolled up with @LindaHayMakeup for one of my favorite nights of the year! #EJAFOscarsParty #Oscars"
Heidi Klum
"Here is a sneak peek of my beautiful dress for tonight…a sketch by @JulienMacdonald. #Oscars"
Kristin Chenoweth
"#OSCARS Many tweets and pics to come today. Here is me getting ready. Takes a village! So excited!!!!!"
Queen Latifah
"Countdown to the red carpet is on! Making my final shoe and bag decision with my stylist, Tim Snell!"
Amanda Seyfried
"Oscar Rehearsal day 1"
Kelly Osbourne
"Almost ready for the pre-show and #LRC who's watching? #ERedCarpet #Oscars"
Ryan Seacrest
"This guy has the best job on the red carpet. #oscars #greengoesglam"
Check out all the stars arriving on the 2013 Oscars red carpet!