Obama family's dog Bo

FREE ROAMING: Obama family dog Bo trots past a Secret Service agent on the South Lawn of the White House.

PICNIC RUN: Barack and Michelle Obama walk Bo to the picnic for members of Congress on the South Lawn at the White House.

WHEN'S DINNER? Bo and Barack Obama ahead of the congressional picnic on the South Lawn of the White House.

PLAYTIME: Bo plays at the feet of Michelle Obama at the White House.

FAMILY FRIEND: US First Lady Michelle Obama and Bo at an event to welcome children of White House employees to the White House in Washington.

PAT FOR BO: A boy pets Bo at the White House in Washington.

LOOK, I'M SITTING: Obama family dog Bo waits in the White House's Cross Hall.

WALK THIS WAY: U.S. first lady Michelle Obama walks down the Cross Hall with family dog Bo at the White House.

SIT, GOOD BOY: Obama talks to family dog Bo at an event to welcome children of White House employees to the White House in Washington.

WALKIES: Bo gets a taste of the snow outside the White House.

SNOW BUSINESS: Bo plays in the snow.

BO IN THE SNOW: Bo, the pet dog of US President Barack Obama and the first family, goes for a walk in the snow on the White House grounds in Washington.

MY HOUSE: Bo Obama at the White House.

A DOG'S LIFE: Bo is walked from Air Force One across the tarmac of Andrews Air Force base near Washington.

I HEART BO: Julie Feiffer carries a cardboard cut-out of Obama, wearing a t-shirt showing presidential dog Bo, onto the porch at the Good Dog Goods at Martha's Vineyard.

BUT I WANNA PLAY: Bo with a member of the executive staff after getting off a Marine helicopter upon his arrival at Martha's Vineyard.

COME ON, BOY: Bo chases Barack Obama down the corridor at the White House.

RUN BOY! Barack Obama takes Bo for a run on the lawn at the White House.

ADVENTURES AHEAD: Bo after getting off a Marine helicopter as he arrives with Obama and his family at West Tisbury Airport, Martha's Vineyard.

LICK, LICK, LICK: Malia shows her family's dog Bo to children as she waits for her mother on a visit to the Children's National Medical Centre in Washington.

GOOD BOY: Malia takes Bo for a walk on the South Lawn at the White House.

WAITING FOR DAD: Malia and Sasha Obama play with family dog Bo on the White House lawn as they wait for President Barack Obama to arrive.

STILL WAITING: Malia and Bo play while patiently waiting for dad.

HE'S ON HIS WAY: Most dads might return from work by car or bus, but the Obama girls know their dad's home when the Marine One helicopter starts to land.

HE'S HERE: An excited Malia and Sasha race to meet their father.

PRESIDENTIAL BEAR HUG: Big hugs from the big man as Malia, Sasha and Bo greet President Obama.

SO HOW'S THE FREE WORLD DOING DADDY: A reunited Malia, Sasha and Barack Obama share news of their day.

BO JOINS IN: The presidential dog makes sure he's part of the family fun.

FAMILY TIME: Time for the president to unwind and spend time with his daughters before tackling the next world problem.