Once again, I missed all of these presenters being announced (as well as an addition to the Red Carpet show hosting list). Here are the press releases from the Academy:

Additional Host Named for Oscars® Red-Carpet Show

BEVERLY HILLS, CA – Grammy Award-winning singer Kelly Rowland today announced that she has been invited to join Emmy® and Tony® award-winning actress Kristin Chenoweth, Entertainment Weekly Managing Editor Jess Cagle and “Good Morning America” anchor Lara Spencer to host the official Oscar® pre-show, ”The Oscars Red Carpet Live.”

The show is executive produced by Craig Zadan and Neil Meron, producers of the Oscar telecast, and produced by Charlie Haykel and Juliane Hare for Don Mischer Productions.

“The Oscars Red Carpet Live” will take place on Oscar Sunday, February 24, in front of the Dolby Theatre™ at Hollywood & Highland Center®, and be televised live on the ABC Television Network beginning at 7 p.m. ET/4 p.m. PT. The red carpet show will also be televised live in more than 225 countries worldwide. For more information go to Oscar.com or download the official Oscars app.

Oscar®-Nominated Actors Salma Hayek Pinault, Melissa Mccarthy, Liam Neeson and John Travolta Named as Presenters

Beverly Hills, CA – Actors Salma Hayek Pinault, Melissa McCarthy, Liam Neeson and John Travolta will present on the Oscar telecast, show producers Craig Zadan and Neil Meron announced today.

Hayek Pinault earned an Oscar nomination for her leading performance in “Frida.” She will be seen next in “Grown Ups 2.”

McCarthy earned a nomination for her performance in a supporting role in the 2011 hit film “Bridesmaids.” She stars in the recently released film “Identity Thief” and will be seen next in “The Heat.”

Neeson received an Oscar nomination for his leading role in Best Picture winner “Schindler’s List.” His other credits include “Taken,” “Batman Begins,” “Love Actually,” “Gangs of New York” and “Star Wars Episode I: The Phantom Menace.”

Travolta has been nominated twice for Actor in a Leading Role for “Saturday Night Fever” and “Pulp Fiction.” His other credits include “The Taking of Pelham 1 2 3,” “Hairspray,” “Be Cool,” “Swordfish,” ‘Face/Off” and “Grease.”

Hayek Pinault, McCarthy, Neeson and Travolta join a stellar list of previously announced Oscar presenters including Ben Affleck, Jessica Chastain, Jennifer Lawrence, Halle Berry, Sandra Bullock, Nicole Kidman, Reese Witherspoon, Mark Wahlberg, Ted and “Marvel’s The Avengers” cast members Robert Downey Jr., Samuel L. Jackson, Chris Evans, Jeremy Renner and Mark Ruffalo; returning 2011 Oscar winners Jean Dujardin, Christopher Plummer, Octavia Spencer and Meryl Streep; “Chicago” cast members Richard Gere, Queen Latifah, Renée Zellweger and Catherine Zeta-Jones; special guests Joseph Gordon-Levitt, Daniel Radcliffe, Channing Tatum and Charlize Theron; and performers Adele, Dame Shirley Bassey, Norah Jones and Barbra Streisand.

Oscars® for outstanding film achievements of 2012 will be presented on Oscar Sunday, February 24 at the Dolby Theatre™ at Hollywood & Highland Center®, and will be hosted by Seth MacFarlane live on the ABC Television Network. The Oscar presentation also will be televised live in more than 225 countries worldwide. For more information go to Oscar.com or download the official Oscars app.

Jennifer Aniston, Michael Douglas, Jamie Foxx and Paul Rudd To Present On Oscar® Sunday

Beverly Hills, CA – Oscar-winning actors Michael Douglas and Jamie Foxx will join Jennifer Aniston and Paul Rudd as presenters on the Oscar telecast, show producers Craig Zadan and Neil Meron announced today.

Aniston’s credits include “The Switch,” “Marley and Me,” “The Break-Up,” “Along Came Polly,” “Bruce Almighty,” “The Good Girl” and “Office Space.” She most recently co-starred with Rudd in “Wanderlust.”

Douglas has won Oscars® for his performance as Gordon Gekko in “Wall Street” and as producer of the 1975 Best Picture winner “One Flew over the Cuckoo’s Nest.”

Foxx, who garnered a Supporting Actor nomination for “Collateral,” took home an Oscar for his title role in “Ray.”

Rudd’s credits include “This Is 40,” “I Love You, Man,” “Role Models,” “Knocked Up” and “The 40-Year-Old Virgin.” In March, he will be seen in “Admission.”

Aniston, Douglas, Foxx and Rudd join a stellar list of previously announced Oscar presenters including Salma Hayek Pinault, Melissa McCarthy, Liam Neeson, John Travolta, Ben Affleck, Jessica Chastain, Jennifer Lawrence, Halle Berry, Sandra Bullock, Nicole Kidman, Reese Witherspoon, Mark Wahlberg, Ted and “Marvel’s The Avengers” cast members Robert Downey Jr., Samuel L. Jackson, Chris Evans, Jeremy Renner and Mark Ruffalo; returning 2011 Oscar winners Jean Dujardin, Christopher Plummer, Octavia Spencer and Meryl Streep; “Chicago” cast members Richard Gere, Queen Latifah, Renée Zellweger and Catherine Zeta-Jones; special guests Joseph Gordon-Levitt, Daniel Radcliffe, Channing Tatum and Charlize Theron; and performers Adele, Dame Shirley Bassey, Norah Jones and Barbra Streisand.

Oscars for outstanding film achievements of 2012 will be presented on Oscar Sunday, February 24 at the Dolby Theatre™ at Hollywood & Highland Center®, and will be hosted by Seth MacFarlane live on the ABC Television Network. The Oscar presentation also will be televised live in more than 225 countries worldwide. For more information go to Oscar.com or download the official Oscars app.