Trump scored wins in Mississippi, Michigan and Hawaii, with a strong second place finish in Idaho.
In Mississippi, Trump had 47.3 percent of the vote, Cruz fell short with 36.3 percent, and Kasich and Rubio were left with 8.8 and 5.1 percent respectively.
Trump later said that he “can be more presidential than anybody”, but that right now he is planning to beat his political rivals.
Trump has won Michigan, with 36.5 percent of the vote. Cruz was in second place with 24.9 percent, with Kasich close behind at 24.3. Rubio was distantly in last with 9.2 percent.
The Hawaii caucuses also went to Trump with 44 percent, followed by Cruz with 32.
Mr. Trump also held a press conference in Jupiter, FL at Trump National Golf Club Jupiter, serving Trump steaks, handing out Trump water, wine and Trump magazines, as a jab at Mitt Romney’s attacks against him.
Watch it below: