Obamas host state dinner

Eva Longoria-Parker arrives for the State Dinner in honour of the visiting Mexican President Felipe Calderon on May 19, 2010 at the White House in Washington. (AFP)

Eva Longoria-Parker arrives for the State Dinner in honour of the visiting Mexican President Felipe Calderon on May 19, 2010 at the White House in Washington. (AFP)

US President Barack Obama (2nd L) and his wife Michelle Obama (L) greet Mexican President Felipe Calderon (2nd R) at White House upon his arrival for a state dinner. (AFP)

Guests gather for the entertainment segment of a state dinner in honour of President of Mexico Felipe Calderon inside a party tent on the South Lawn of the White House in Washington, May 19, 2010. (REUTERS)

Michelle Obama, left, adjusts President Barack Obama's suit as they wait for the arrival of Mexican President Felipe Calderon and his wife Margarita Zavala at the North Portico of the White House in Washington. (AP)

Obama makes remarks before entertainment following a state dinner in honour of Mexican President Felipe Calderon at the White House in Washington on May 19, 2010. (AFP)

Obama (R) and Michelle Obama (2nd L) with Mexico's President Felipe Calderon and his wife Margarita Zavala prior to a state dinner in Calderon's honor at the White House in Washington May 19, 2010. (REUTERS)

Obama (R) greets Mexican First Lady Margarita Zavala as US First Lady Michelle Obama (L) and Mexican President Felipe Calderone (C) look on during the arrival of the Mexican President and his wife on May 19, 2010 for State Dinner ceremonies at the White House in Washington. (AFP)

Mexican First Lady Maragarita Zavala, US First Lady Michelle Obama, and Mexican President Felipe Calderon at the White House in Washington, DC. (AFP)

Barack Obama and first lady Michelle Obama walk out to welcome Mexican President Felipe Calderon and his wife Margarita Zavala to the State Dinner. (AP)

Peter Orszag and Bianna Golodryga arrive for the State Dinner for Mexican President Felipe Calderon, Wednesday on May 19, 2010, at the White House in Washington. (AP)

US speed skating Gold medalist Shani Davis arrives for the State Dinner in honour of the visiting Mexican President Felipe Calderon on May 19, 2010 at the White House in Washington. (AFP)

Los Angeles Mayor Antonio Villaraigosa escorts Ms. Prisila Rodriguez for the State Dinner in honour of the visiting Mexican President on May 19, 2010 at the White House in Washington

Michelle and Barack Obama wait on the red carpet for the arrival of the Mexican President and his wife May 19, 2010 on the North Portico at the State Dinner for Mexico at the White House in Washington. (AFP)

US President Barack Obama proposes a toast to Mexican counterpart Felipe Calderon during a state dinner at the White House in Washington on May 19, 2010. (AFP)

Cory Booker (R), Mayor of Newark, NJ, escorts Gayle King, best friend of Oprah Winfrey, to the State Dinner in honor of the visiting Mexican President Felipe Calderon on May 19, 2010 at the White House in Washington. (AFP)

The party and entertainment tent on the South Lawn of the White House awaits the guests for the state dinner hosted by U.S. President Barack Obama and first lady Michelle Obama for the President of Mexico Felipe Calderon and his wife Margarita Zavala at the White House in Washington May 19, 2010. (REUTERS)

Obama raises his glass in a toast with first lady of Mexico Margarita Zavala during a state dinner at the White House in Washington, May 19, 2010. (REUTERS)

Giselle Fernandez arrives for the State Dinner for Mexican President Felipe Calderon, Wednesday, May 19, 2010, at the White House in Washington. (AP)

Michelle Obama brushes off the tuxedo of U.S. President Barack Obama as they await the arrival of Mexico's President Felipe Calderon and his wife Margarita Zavala at the North Portico for a state dinner in their honor at the White House in Washington May 19, 2010. (REUTERS)

Barack Obama and first lady Michelle Obama watch as White House Chief of Protocol Capricia Marshall slips and falls on the steps of the White House North Portico as they prepare to welcome Mexico's President Felipe Calderon and his wife. (REUTERS)

US President Barack Obama (R) and first lady Michelle Obama (2nd L) pose with President of Mexico Felipe Calderon and his wife Margarita Zavala prior to a state dinner in their honor at the White House in Washington, May 19, 2010. (REUTERS)

U.S. first lady Michelle Obama welcomes President of Mexico Felipe Calderon in front of U.S. President Barack Obama as Calderon arrives for a state dinner in his honor at the White House in Washington. (REUTERS)

First lady Michelle Obama plucks an eyelash from President Barack Obama as they wait to welcome Mexican President Felipe Calderon and his wife Margarita Zavala to the State Dinner. (AP)