Brighthouse Funds Trust I N-CSRS Certified semi-annual shareholder report (management investment company)

Exhibit 12(b)

I, Elizabeth M. Forget, President and I, Jeffrey A. Tupper, Chief Financial Officer and Treasurer of Met Investors Series Trust (the “Trust”), each certify that:

1. This Form N-CSR filing for the Trust (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Trust.

By:	/s/ Elizabeth M. Forget
	Elizabeth M. Forget
	President
By:	/s/ Jeffrey A. Tupper
	Jeffrey A. Tupper
	Chief Financial Officer and Treasurer
Date:	September 6, 2011