Newcastle United's Director of Football, Joe Kinnear, said:
"The need for us to strengthen up front was a priority and I have been working very hard to secure one of our targets in this position.
"I'm delighted to have secured Loic for the season. Now we have him I'm sure he'll be a huge success for us.
"I know he's hungry for goals and is absolutely committed to helping us achieve success this season."
More top news
The ideal man or the best the Black Cats could do? Martyn McFadden blogs on Sunderland's new manager.
Scotland are into the World Cup quarter-finals, but only after a nerve-shredding 36-33 win over Samoa in Newcastle.
Emma brings you Saturday night's forecast for the Tyne Tees region