LIMITED POWER OF ATTORNEY
                        FOR CERTAIN REPORTING OBLIGATIONS

        Know all by these presents, that the undersigned hereby makes,
constitutes and appoints each of Jeffrey A. Fiarman, Debra Cotter, Joseph K.
Alston and Stephanie Delavale, each acting individually, and with full power of
substitution, as the undersigned's true and lawful attorney-in-fact, with full
power and authority as hereinafter described on behalf of and in the name, place
and stead of the undersigned to:

        (1)     prepare, execute, acknowledge, deliver and file Forms 3, 4, and
5 (including any amendments thereto) with respect to the securities of Weight
Watchers International, Inc., a Virginia corporation (the "Company"), with the
United States Securities and Exchange Commission (the "SEC"), any national
securities exchange or any similar authority, and the Company, as may be
considered necessary or advisable pursuant to Section 16(a) of the Securities
Exchange Act of 1934 and the rules and regulations promulgated thereunder, as
amended from time to time (the "Exchange Act"), or the rules and regulations of
any national securities exchange on which such securities may be listed and/or
tracked or any similar authority;

        (2)     prepare, execute, acknowledge, deliver and file Form 144
(including any amendments thereto) with respect to the securities of the
Company, with the SEC, any national securities exchange or any similar
authority, and the Company, as may be considered necessary or advisable pursuant
to the Securities Act of 1933 and the rules and regulations promulgated
thereunder, including Rule 144, as amended from time to time (the "Securities
Act"), or the rules and regulations of any national securities exchange on which
such securities may be listed and/or tracked or any similar authority;

        (3)     prepare, execute, acknowledge, deliver and file any and all
other documents (including any amendments thereto), including, without
limitation, a Form ID, with the SEC and any national securities exchange or
similar authority, as may be considered necessary or advisable to facilitate the
filing of Forms 3, 4, and 5 as set forth above;

        (4)     seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person to release
any such information to such attorney-in-fact and approves and ratifies any such
release of information; and

        (5)     perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the undersigned
in connection with the foregoing.

The undersigned acknowledges that:

        (1)     this limited power of attorney ("Power of Attorney") authorizes,
but does not require, each such attorney-in-fact to act in their discretion on
information provided to such attorney-in-fact without independent verification
of such information;

        (2)     any documents prepared and/or executed by each such
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney
will be in such form and will contain such information and disclosure as such
attorney-in-fact, in his or her discretion, deems necessary or desirable;

        (3)     neither the Company nor any of such attorneys-in-fact assumes
(i) any liability for the undersigned's responsibility to comply with the
requirements of the Exchange Act, the Securities Act or the rules and
regulations of any national securities exchange or any similar authority, (ii)
any liability of the undersigned for any failure to comply with such
requirements, rules or regulations, or (iii) any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the Exchange Act; and

        (4)     this Power of Attorney does not relieve the undersigned from
responsibility for compliance with the undersigned's obligations under the
Exchange Act, including without limitation the reporting requirements under
Section 16 of the Exchange Act, the Securities Act, including without limitation
the reporting requirements under Rule 144, or the rules and regulations of any
national securities exchange or any similar authority.

        The undersigned hereby gives and grants each such attorney-in-fact full
power and authority to do and perform all and every act and thing whatsoever
requisite, necessary or appropriate to be done in and about the foregoing
matters as fully to all intents and purposes as the undersigned might or could
do if present, with full power of substitution, hereby ratifying all that each
such attorney-in-fact (or such attorney-in-fact's substitute or substitutes) of,
for and on behalf of the undersigned, shall lawfully do or cause to be done by
virtue of this Power of Attorney and the rights and powers herein granted .

        This Power of Attorney shall remain in full force and effect until
revoked by the undersigned in a signed writing delivered to each such
attorney-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 19th day of March, 2009.

                                        /s/ Ann M. Sardini
                                        ---------------------------------------
                                        Signature

                                        Ann M. Sardini
                                        ---------------------------------------
                                        Name

State of New York )
                        ss.:
County of New York)

On March 19, 2009, before me personally came Ann M. Sardini to me known to be
the person described in and who executed the foregoing instrument. Such person
duly swore to such instrument before me and duly acknowledged that he executed
the same.

/s/ Siena Agori-Iwe
- ----------------------------
(Notary Public)

My commission expires on: March 8, 2012

Notary Public - State of New York
No. 01AG6106582
Qualified in New York County