US broadcaster CBS has released this sneak preview of President Obama's appearance on the Late Show with David Letterman:
More top news
Great British Bake Off favourite Nadiya Hussain has revealed that her son is sick and has been watching her from his hospital bed.
After sunny skies for many of us through much of the week, all change in the next 24 hours.
X Factor judge Rita Ora was booed for her decision-making during the show's Six Chair Challenge.